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gw1
Nov 6, 2010, 05:44 PM
That's my experience so far.

When I heard that there was no flash plug-in already installed, of course I immediately downloaded it. After considering how rarely I use flash, and discovering safari extensions, I've installed ClicktoFlash which switches flash off unless you specifically want to use it.

It works a treat and on my 11" MBA I now get 6-8 hours of battery life - a good hour more than before. Has anyone else noticed this?



rkahl
Nov 6, 2010, 05:46 PM
I charge my MBA every two days. If i need to before then, I just plug it in.

LouieSamman
Nov 6, 2010, 05:57 PM
The Click-to-Flash Plugin is a dream. Works great but I use a lot of Flash sites such as YouTube, Justin.tv, Streaming videos and sites that requires flash such as my college website & it gets a bit annoying to always having to click to receive the flash video when I wanted it to play in the first place.

But whats great is the load time of websites.

Hankster
Nov 6, 2010, 05:57 PM
I have Flash installed and get just over 5 hours of battery life on a regular basis. Just don't go to crazy flash intensive sites, most reputable sites don't use "blinking ads" and "annoying flash apps".

Now, if I'm streaming video that's a different story. But, then again I'm streaming video so I expect shorter battery life.

Battery life is based on what you do with any notebook. There's no difference between using Flash and running PhotoShop. It's optional.

pfjellman
Nov 6, 2010, 05:57 PM
yeah, i deleted flash all together and use chrome for the rare sites i need that don't have an html5 option. also installed youtube5 and html5 audio safari extensions, both work very well.

ever since doing this a few days ago i've noticed a startling improvement in battery life.

JD92
Nov 6, 2010, 06:27 PM
...

iKennett
Nov 6, 2010, 06:29 PM
The Click-to-Flash Plugin is a dream. Works great but I use a lot of Flash sites such as YouTube, Justin.tv, Streaming videos and sites that requires flash such as my college website & it gets a bit annoying to always having to click to receive the flash video when I wanted it to play in the first place.

But whats great is the load time of websites.

Oh WOW! This little app is amazing!

LouieSamman
Nov 6, 2010, 06:57 PM
Oh WOW! This little app is amazing!

Looks like someone discovered this extension and loves it!:D

pfjellman
Nov 6, 2010, 07:15 PM
Oh WOW! This little app is amazing!

yes, it is amazing. but it's an extension, not an app. (sorry, i'm a developer, it's a pet peeve) =D

zartemis
Nov 6, 2010, 08:23 PM
I use Flash Block in Chrome and it works perfectly - and it significantly improves my battery life.

Soon you won't need Flash Block in Chrome. The dev version (http://www.chromium.org/getting-involved/dev-channel) of chrome has 'click to play' built-in as an option on flash. So far the dev version has been reliable for me, but those who don't want to live nearer the cutting edge can wait for the feature to hit the stable version of Chrome.

bamf
Nov 6, 2010, 08:33 PM
The Click-to-Flash Plugin is a dream. Works great but I use a lot of Flash sites such as YouTube, Justin.tv, Streaming videos and sites that requires flash such as my college website & it gets a bit annoying to always having to click to receive the flash video when I wanted it to play in the first place.

But whats great is the load time of websites.

Whitelist the sites you want to always use flash from in Click2Flash then - problem solved. ;)

hcho3
Nov 6, 2010, 09:12 PM
I hate flash so much. I hope they go away forever in next 5 years. Html 5 for the win. Battery life goes down so much with flash video.

gw1
Nov 7, 2010, 02:28 AM
Soon you won't need Flash Block in Chrome. The dev version (http://www.chromium.org/getting-involved/dev-channel) of chrome has 'click to play' built-in as an option on flash. So far the dev version has been reliable for me, but those who don't want to live nearer the cutting edge can wait for the feature to hit the stable version of Chrome.

Interesting to hear this about Chrome - would be great to see this built in to Safari too.

I did wonder if Apple binning Flash was just some commercial spat, but I can really see the advantage. Flash could well find itself on the way out, particularly if the new MPA sales take off as predicted.

In the meantime, I'm just thrilled to get the extra battery life!

nok123
Nov 7, 2010, 03:42 AM
Recently installed Flash Block extension in Chrome on my MacBook Air Rev. C.

Initial results on battery life are encouraging.

Loonytik
Nov 7, 2010, 11:55 AM
I installed the extension in Firefox and it really isn't too annoying. It gives a play button over anything playing Flash so if I want to see it I just click play, simple as that.

digitaldave
Nov 7, 2010, 03:21 PM
I'd love to know if there's a difference in battery life between removing flash completely and installing ClickToFlash. I currently don't have flash installed, but it's a bit of a pain as there's a few sites where I occasionally want to run flash content.

Anyone got any experience with this?

gw1
Nov 7, 2010, 04:45 PM
Interesting if that's possible - so you don't have to have flash installed, just "click to flash" and you can still play the flash if you click on it?

admanimal
Nov 7, 2010, 05:07 PM
I'd love to know if there's a difference in battery life between removing flash completely and installing ClickToFlash. I currently don't have flash installed, but it's a bit of a pain as there's a few sites where I occasionally want to run flash content.

Anyone got any experience with this?

I don't see why there should be a difference in battery life between the two. Either way the Flash application/movie isn't running, which is what kills the battery life.


Interesting if that's possible - so you don't have to have flash installed, just "click to flash" and you can still play the flash if you click on it?

You need to have the Flash plugin installed if you want to play Flash, whether it's automatically or with ClickToFlash.

T4R06
Nov 7, 2010, 05:36 PM
got question guys about microsoft silverlight.. first thing i did on my MBA is to install clicktoflash.. its amazing. but how about this silverlight. does this as the same as flash? i need to install this because of netlix..

digitaldave
Nov 8, 2010, 02:20 AM
I don't see why there should be a difference in battery life between the two. Either way the Flash application/movie isn't running, which is what kills the battery life.

I have no idea how flash works, so I was wondering if there's a difference between loading it but not running it (as in click to flash) vs not loading it in the first place. I guess you are right, if it isn't actually running, then it's not using up power.

MisterEd
Nov 8, 2010, 05:45 AM
I have no idea how flash works, so I was wondering if there's a difference between loading it but not running it (as in click to flash) vs not loading it in the first place. I guess you are right, if it isn't actually running, then it's not using up power.

From what I can see, the Click to Flash extension doesn't even load the flash content unless you click it (after click, takes a good few seconds to load and render). In which case, you're saving both power AND bandwidth :)

EggrollShop
Nov 8, 2010, 07:44 AM
Just installed Flash Block for Chrome and I gotta say I love it! I was a bit skeptical at first after reading some of the comments on the Google's site saying that it did't work well with youtube, but I am happy to report that I have had no such issue.

ReallyBigFeet
Nov 8, 2010, 07:55 AM
This thread title is misleading.

Simply having Flash installed on your Mac doesn't impact battery life. Using Flash most certainly will. Granted, there are those who use it and don't realize that they are using it (ads, etc.) but there is no reason to take Flash off your Mac and get some miracle "boost" to battery life.

Just choose when you use it. I'd rather have it when I need it and take the hickie on battery life than not have it installed on here at all and get the infamous empty video panel.

gwsat
Nov 8, 2010, 10:16 AM
This thread title is misleading.

Simply having Flash installed on your Mac doesn't impact battery life. Using Flash most certainly will. Granted, there are those who use it and don't realize that they are using it (ads, etc.) but there is no reason to take Flash off your Mac and get some miracle "boost" to battery life.

Just choose when you use it. I'd rather have it when I need it and take the hickie on battery life than not have it installed on here at all and get the infamous empty video panel.
Until today, I had not installed any of the flash blocking apps or extensions and my MBA's battery life was still significantly better than I had expected it to be. A few minutes ago, however I did install the FlashBlock for Chrome extension. Will report further when and if I get a read on how it works.

alflavor
Nov 8, 2010, 02:32 PM
I played with click to flash in Safarif, but being new to mac and preferring Chrome, I'm going to hang fire for the update to chrome that will hopefully deal with flash in a similar manner!

re2st
Nov 8, 2010, 02:43 PM
I probably won't be popular here but, I prefer to view websites the way they're intended by the developers.

Flash *maybe* dying, but it's not dead yet. Life is short so I want to enjoy it to the fullest, that includes running flash on my new MacBook Air.

;)

gwsat
Nov 8, 2010, 03:52 PM
I probably won't be popular here but, I prefer to view websites the way they're intended by the developers.

Flash *maybe* dying, but it's not dead yet. Life is short so I want to enjoy it to the fullest, that includes running flash on my new MacBook Air.

;)
That's a perfectly understandable point of view if you are satisfied with your MBA's battery life. But if you want to get even better battery performance, a device to limit Flash operations, such the FlashBlock extension for Chrome, will do that for you. That was why I installed FlashBlock. I have no intention of giving up Flash for sites on which I want to watch Flash dependent videos but being able to block Flash dependent ads, which I didn't want to watch anyway, is a nice option.

miata
Nov 8, 2010, 04:27 PM
I've been wondering what the big deal is about Flash. I've been using Camino with the integrated Flash blocker for quite a while now. Camino even has a Flash exceptions list for places like Amazon. Just makes browsing the web that much more pleasant.

I never even thought about the battery benefits until the new Airs were released.

ReallyBigFeet
Nov 8, 2010, 04:59 PM
I think its important to keep perspective in mind. I've not seen any studies that claim that running Flash on a MBA is more battery-intensive than running Flash on a MBP or even a ThinkPad or Vaio.

So its not like you have to treat your browsing habits any differently with a MBA than you do with a MBP. Both running Flash will burn more energy than without.

Someone please correct me if I'm wrong. But again, I don't see the issue here. Life is filled with choices. You get the whole internet at the price of less juice, or you can have more juice and less internet.

foiden
Nov 8, 2010, 05:28 PM
True. I think people try to do it differently on the MBA 11" since it's mainly only a 5 hour max battery life. It has a little less impact because pretty much all other Macbooks (like the bigger ones and the 13" Air) are toted for 7hrs or more. That little difference actually makes a lot of difference when considering trying to save battery life. The bigger options are likely to run long enough whether flash is running or not.

frunkis54
Nov 8, 2010, 05:37 PM
there is no way around it though if your addicted to the flash based games :eek:

ReallyBigFeet
Nov 8, 2010, 05:39 PM
^ The only one I got addicted to was Evony and Travian before that, although Travian was Ajax-based and not Flash so it worked fine under Safari.

Man I wish had all those hours of my life back. I now see ads for these "Free to Play!" games and just cringe. Never understood the allure of these games for me...but damn did they pull me in.

coochiekuta
Nov 8, 2010, 05:52 PM
I have Flash installed and get just over 5 hours of battery life on a regular basis. Just don't go to crazy flash intensive sites, most reputable sites don't use "blinking ads" and "annoying flash apps".

Now, if I'm streaming video that's a different story. But, then again I'm streaming video so I expect shorter battery life.

Battery life is based on what you do with any notebook. There's no difference between using Flash and running PhotoShop. It's optional.

thank you.

nfl46
Nov 8, 2010, 06:12 PM
Flash was killing my battery on my new 13" Air. I deleted it, and it is way better!

miata
Nov 8, 2010, 06:32 PM
Flash was killing my battery on my new 13" Air. I deleted it, and it is way better!
If you delete it you will likely miss it on some sites. The better solution is to install it and use a Flash blocker.

Scottsdale
Nov 8, 2010, 07:13 PM
That's my experience so far.

When I heard that there was no flash plug-in already installed, of course I immediately downloaded it. After considering how rarely I use flash, and discovering safari extensions, I've installed ClicktoFlash which switches flash off unless you specifically want to use it.

It works a treat and on my 11" MBA I now get 6-8 hours of battery life - a good hour more than before. Has anyone else noticed this?

The problem is you're losing out on content by removing Flash too. The Adobe CTO made a great comment today; he said that of course eliminating content that uses resources will use less power, BUT HTML5 content requires more power than Flash.

So what really needs to happen is someone make a site exactly the same with a Flash version and an HTML5 version. Ready, FIGHT!!!

I have tended to believe Adobe when it comes to this stuff as Apple has come up with slanted angles forever about Adobe. Apple denied low-level hardware access to support h.264 acceleration on Mac OS X until this Summer. Before they did that, I could run Flash in Windows 7 and use 1/4th the CPU performance ON THE EXACT SAME MBA as it used in OS X Snow Leopard.

The problem here is we're not getting the big picture ever. SJ hates Adobe, and SJ wants to rule the world, end of story. Adobe has played less games and provided the same level of performance when they have access to it... when Apple denies them low-level hardware access, of course the lack of h.264 is going to hurt Flash performance on Macs.

miata
Nov 8, 2010, 07:32 PM
Some of the biggest uses of Flash are video streaming, games and advertising.

Anybody else see a pattern there?

ReallyBigFeet
Nov 8, 2010, 07:43 PM
So what really needs to happen is someone make a site exactly the same with a Flash version and an HTML5 version. Ready, FIGHT!!!

Actually, don't we already have this available to us via YouTube?

Tomple
Nov 8, 2010, 07:44 PM
Does a program like ClickToFlash work or is it only a full uninstall

barmann
Nov 8, 2010, 08:14 PM
The news on the front page have an article where Adobe is claiming Flash is actually more power efficient than HTML5 .

What makes sense is that any animated content is power hungry .

Blaming Flash for anything is silly to begin with, imho.
Flash is out there, and Apple is supposed to deliver a product that copes with reality.

Or issue a disclaimer : MBA battery life is really good - unless you surf the web . ;)

Scottsdale
Nov 8, 2010, 11:28 PM
The news on the front page have an article where Adobe is claiming Flash is actually more power efficient than HTML5 .

What makes sense is that any animated content is power hungry .

Blaming Flash for anything is silly to begin with, imho.
Flash is out there, and Apple is supposed to deliver a product that copes with reality.

Or issue a disclaimer : MBA battery life is really good - unless you surf the web . ;)

Nice to see several people thinking with their brains rather than just accepting everything SJ's says as the word of God himself. What you're saying and several before you makes me think there are Apple product users who can see things objectively... NICE.

I would love to see an independent study, and I tend to believe that Adobe puts far less spin but I would be open to finding out the facts/truth from a third party.

Gordy
Nov 9, 2010, 02:43 AM
You only have to look at the system resources when flash is in use to see what a drain it is on the battery/performance. Yet again Adobe are moaning about Apple instead of sorting the issue itself.

I think DF provided some nice incite into adobe's comments here: http://daringfireball.net/linked/2010/11/08/lynch

EggrollShop
Nov 9, 2010, 06:41 AM
Does a program like ClickToFlash work or is it only a full uninstall

Yes it works but I'm not too sure what your getting at... It does not uninstall flash it just simply blocks flash from being shown and you can tell it to show the flash on the web page or not.

funkyc
Nov 9, 2010, 07:20 AM
is there a similar flash block extension for firefox?

miata
Nov 9, 2010, 08:46 AM
is there a similar flash block extension for firefox?
Flashblock.

Loonytik
Nov 9, 2010, 09:32 AM
is there a similar flash block extension for firefox?

Flashblock.

And it works very well from what I have experienced. The Flash ads are locked out on the web pages I view which is fine with me. When I want to view I just click the play button and away it goes.

funkyc
Nov 9, 2010, 09:37 AM
Flashblock.

thanks :)

gwsat
Nov 9, 2010, 09:51 AM
Yes it works but I'm not too sure what your getting at... It does not uninstall flash it just simply blocks flash from being shown and you can tell it to show the flash on the web page or not.
As I understand it, there is no need to uninstall Flash, so long as you don't enable it to run graphics. I use the AdBlock app in Chrome. When a Flash enabled video popup or page insert comes up, instead of playing, a black screen with a wrench icon in the middle is displayed. If you don't want Flash to hog your resources by watching the video, just don't click the wrench icon. If you want to watch, do click the icon. Works for me.

I also run the FlashBlock extension for Chrome. Just installed it yesterday, so don't really have a handle on how it works yet. I can say, though, that it certainly hasn't hurt anything.

gw1
Nov 9, 2010, 10:43 AM
This thread title is misleading.

Simply having Flash installed on your Mac doesn't impact battery life. Using Flash most certainly will. Granted, there are those who use it and don't realize that they are using it (ads, etc.) but there is no reason to take Flash off your Mac and get some miracle "boost" to battery life.

Just choose when you use it. I'd rather have it when I need it and take the hickie on battery life than not have it installed on here at all and get the infamous empty video panel.

Certainly didn't want to mislead you. The issue is being able to selectively use flash, rather than having to have it, which a flash-blocking programme does. Personally, the adverts etc are usually a distraction and certainly not worth the power drain, for me anyway. It also puts the box called "flash" where the flash content was which is aesthetically a bit nicer than just the symbol "?" !

ReallyBigFeet
Nov 9, 2010, 10:44 AM
For those that are misled by the thread title, please note:

You gain NOTHING in the way of additional battery power/duration by simply installing or un-installing Flash. Simply having Flash on your hard drive has no beneficial or detrimental impact to your battery life. Its just an app and it doesn't touch your battery.

However, if you routinely access Flash-enabled sites, by invoking this Flash app to play this Flash content, you will increase your resource demands on your CPU and therefore burn more battery.

Flash doesn't run all the time. It runs on demand. You may or may not realize how many websites make demands for the Flash app, and thats why so many knowledgeable users here are recommending Flash blockers or "Click to Flash" enablers. That gives you control over when Flash is enabled or not.

But you don't GAIN or LOSE anything by merely having Flash installed or not installed on your MBA.

I keep seeing comments in here from users who simply aren't "getting it."

darngooddesign
Nov 9, 2010, 10:47 AM
I hate flash so much. I hope they go away forever in next 5 years. Html 5 for the win. Battery life goes down so much with flash video.
I know right, and if you never turn your computer on you get amazing battery life as well.

Flash was killing my battery on my new 13" Air. I deleted it, and it is way better!
You will get even better battery life if you never use the internet.


I've never understood all this outrage over Flash. If you do anything processor intensive on your computer it will reduce your battery life. Watching non-flash videos will consume your battery as well. Its the nature of the beast. If you are so concerned about battery life here are some other suggestions:

1. Avoid playing games.
2. Forget about Wi-fi as well, grab yourself the Ethernet dongle and stay tethered to the wall.
3. Don't play music or videos.

Yay...reading text documents at 1 bar of brightness is lots of fun.

bamf
Nov 9, 2010, 11:06 AM
I know right, and if you never turn your computer on you get amazing battery life as well.


You will get even better battery life if you never use the internet.


I've never understood all this outrage over Flash. If you do anything processor intensive on your computer it will reduce your battery life. Watching non-flash videos will consume your battery as well. Its the nature of the beast. If you are so concerned about battery life here are some other suggestions:

1. Avoid playing games.
2. Forget about Wi-fi as well, grab yourself the Ethernet dongle and stay tethered to the wall.
3. Don't play music or videos.

Yay...reading text documents at 1 bar of brightness is lots of fun.

I think the outrage over Flash can be summarized like this -

Given a video from YouTube that is available in both Flash and HTLM5 you will generally have the following experience:

1. If run in Flash you will use about 50% or more of your CPU with the Safari and Flash plugin processes.
2. If run in HTML5 you will use ~16% of your CPU with the Safari process.

That extra CPU time burns the battery faster - that's just a fact.

Don't believe me, see this video I found by simply typing "Flash vs. HTML5 CPU" on Google:

http://www.youtube.com/watch?v=6wRUFJ9TKWA

Flash is poorly implemented in OS X. That's not Apple's fault - it's Adobe's. If they would spend the time to make Flash run better on OS X, then they probably would not have the CEO of the most successful technology company in the US (maybe the world) singling them out by name.

The ball is firmly in Adobe's court...

darngooddesign
Nov 9, 2010, 11:14 AM
I think the outrage over Flash can be summarized like this...

Exactly, so if you don't like it don't watch flash videos, but uninstalling the plugin means that the wealth of Flash sites don't work either. Simply installing Click2Flash means that you can still access those sites without automatically ramping up your CPU.

See...no need to uninstall Flash like some Luddite who is scared of that mean-old industrial revolution.

bamf
Nov 9, 2010, 11:16 AM
Exactly, so if you don't like it don't watch flash videos, but uninstalling the plugin means that the wealth of Flash sites don't work either. Simply installing Click2Flash means that you can still access those sites without automatically ramping up your CPU.

See...no need to uninstall Flash like some Luddite who is scared of that mean-old industrial revolution.

Which is why I've had click2flash for a long time myself.

There are some people that still want to say that it's any Internet video though, and that's simply not true. Heck, it's not true of Flash on Windows to nearly the extent it is on OS X.

ReallyBigFeet
Nov 9, 2010, 11:20 AM
\
Flash is poorly implemented in OS X. That's not Apple's fault - it's Adobe's. If they would spend the time to make Flash run better on OS X, then they probably would not have the CEO of the most successful technology company in the US (maybe the world) singling them out by name.

The ball is firmly in Adobe's court...

Does Flash currently support OSX hardware acceleration for h264 videos?

bamf
Nov 9, 2010, 11:25 AM
Does Flash currently support OSX hardware acceleration for h264 videos?

I'm sure you know that it does - but it's only available for Macs from 2008 forward (Nvidia 9400M and forward).

darngooddesign
Nov 9, 2010, 11:25 AM
Which is why I've had click2flash for a long time myself...

Yep, and I have Flash set to "On Demand" on my Droid X. Uninstalling it because of battery concerns strikes me as way too much of an alarmist Steve-Jobs-is-always-right kind of reaction. The fact remains that the internet still relies heavily of Flash and that's really not going to change any time soon; esp with Android gaining the mindshare that it is. HTML5 is not the web savior that people who know too little think it is.

bamf
Nov 9, 2010, 11:28 AM
Yep, and I have Flash set to "On Demand" on my Droid X. Uninstalling it because of battery concerns strikes me as way too much of an alarmist Steve-Jobs-is-always-right kind of reaction. The fact remains that the internet still relies heavily of Flash and that's really not going to change any time soon; esp with Android gaining the mindshare that it is. HTML5 is not the web savior that people who know too little think it is.

Time will tell on HTML5.

The thing that is great about click2flash though is that I don't have to have my battery thrashed by every website that thinks that Flash is the greatest thing since sliced bread. Seriously - how many advertisements do I need spinning or moving while trying to get my attention. That's why I love the Reader view in Safari now as well... ;)

stylinexpat
Nov 9, 2010, 12:03 PM
I think the outrage over Flash can be summarized like this -

Given a video from YouTube that is available in both Flash and HTLM5 you will generally have the following experience:

1. If run in Flash you will use about 50% or more of your CPU with the Safari and Flash plugin processes.
2. If run in HTML5 you will use ~16% of your CPU with the Safari process.

That extra CPU time burns the battery faster - that's just a fact.

Don't believe me, see this video I found by simply typing "Flash vs. HTML5 CPU" on Google:

http://www.youtube.com/watch?v=6wRUFJ9TKWA

Flash is poorly implemented in OS X. That's not Apple's fault - it's Adobe's. If they would spend the time to make Flash run better on OS X, then they probably would not have the CEO of the most successful technology company in the US (maybe the world) singling them out by name.

The ball is firmly in Adobe's court...

Still have not been able to figure out how to view HTML5 on my MBP.. :confused: When I go to Youtube to see a video I don't see any options for viewing.

THE dAY
Nov 9, 2010, 12:05 PM
Still have not been able to figure out how to view HTML5 on my MBP.. :confused: When I go to Youtube to see a video I don't see any options for viewing.

Try here for HTML5
http://www.youtube.com/html5

Moyank24
Nov 9, 2010, 12:13 PM
Time will tell on HTML5.

The thing that is great about click2flash though is that I don't have to have my battery thrashed by every website that thinks that Flash is the greatest thing since sliced bread. Seriously - how many advertisements do I need spinning or moving while trying to get my attention. That's why I love the Reader view in Safari now as well... ;)

I couldn't agree more. I just found out about click2flash last week and there is a noticeable difference in how my Macbook is running. And not having to see those obnoxious ads on every website is a huge bonus.

eyespii
Nov 9, 2010, 12:55 PM
Wirelessly posted (Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Version/4.0.5 Mobile/8B117 Safari/6531.22.7)

Still have not been able to figure out how to view HTML5 on my MBP.. :confused: When I go to Youtube to see a video I don't see any options for viewing.

Try here for HTML5
http://www.youtube.com/html5

Problem that I've noticed is that some of the videos won't play in html5 through the YouTube opt-in, but those same videos play fine in safari using the html5 extension.

I really prefer chrome over safari though and have installed adblock plus, but still lots of videos on YouTube are running in flash when I'm using chrome.

gw1
Nov 9, 2010, 05:51 PM
I know right, and if you never turn your computer on you get amazing battery life as well.


You will get even better battery life if you never use the internet.



Surely the issue is how well your computer does the things you want it to, including how much power those things take from your (limited) battery capacity.

If that doesn't include automatically showing all the Flash content other originators want you to watch, then its perfectly legitimate to block that until you decide you want to see it.