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I'm not saying that its impossible to scratch the glass, however, the point that I was trying to illustrate in the pictures is that even if physically abused (like my iPhone 2g), its VERY hard to scratch the glass on the iPhone, iPad, iPod, etc etc

It will take a substance harder than glass (7 on the hardness scale) to scratch the screen. Unless you're keeping your phone in your pocket with diamonds, topaz, platinum, etc you'd be hard pressed to scratch it. This is why on my iPhone 2g, the back is scratched up like no other, but the glass front is flawless. Aluminum is much softer than glass. The iPhone 4 and iPad 1 and 2 also use Gorilla glass, which is harder than standard glass.

Small particles of hard materials (like sand) can scratch the finish, but small particles usually aren't pressed hard enough against the glass to scratch it.... This can happen if small particles are trapped inside a case (which is why I like my Griffin reveal on the iPhone 4). Beyond that, most small particles will simply slide off of the surface of the glass.

For those who need further *proof* of the durability of the glass on the iPhone and iPad, here are some videos showing how the glass holds up against extreme abuse:

http://www.youtube.com/watch?v=lF2fLUNMQwY

http://www.youtube.com/watch?v=FUR70xhmqv4&feature=relatedå

Again, not saying that its impossible to scratch the glass, but it is a very remote possibility. I've owned multiple devices with capacitive glass touch screen displays (including an iPhone 4, iPhone 2g, and iPad 2), and have never had a scratch on any of them...I don't necessarily baby my devices either (as evidenced by the pictures of my iPhone 2g!).

I'd frankly rather save my money, and not ruin the aesthetics and the feel of the screen by putting a screen protector on there. Not that I've ever managed to scratch the glass, but hairline scratches are not nearly as ugly and do not feel as tacky as a dirty, yellowing, bubbling etc etc screen protector.
 
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I used a zagg shield on my old blackberry that I loved but I tried it on the iPhone with poor results (peeling, discoloration) and I knew it would be difficult to install on the iPad but it was all they had at the best buy that I was at. I still have bubbles (almost 12 hours later so I guess they could still go away) but for some reason one edge didn't stick and is all bubbled up.
I hate the thought of spending more money on another protector - I wanted a power supply one- but it's another $30 :-/ all the accessories are just quickly adding up an this stupid zagg shield has no return/ resale value.

ZAGG's invisibleSHIELD is created from an ultra-tough, patented film exclusive to ZAGG. Transparent and amazingly thin, it is designed to precisely match the contours of your device, providing unbeatable scratch protection. ZAGG's invisibleSHIELD is the worlds first and best clear device protection.
 
I bought a zagg shield for my iPhone 4 and hated it. Started peeling on me. I dumped it And bought another power support antiglare film. They are great but I like the exposed look soooo much better.
 
I had one on my iPhone and hated it. Had almost a rubbery feel to it. Got rid of it and never looked back.
 
i see its an old thread but....

i am VERY bad with looking after my phones, on my 3rd iPhone 4 since release,
however i took my first on holiday (which i bought on release week) and the glass stood up to everything perfectly, i used it on beaches, did a lot of walking in dusty places, and didnt take a massive amount of care, but i had not one scratch on it after three weeks, until i jumped in a pool and it drowned...

but the replacement scratched within a few days badly too. it actually had deep noticeable from every angle scratches :/ and they were not all done on the same occasion. oh and i dont work/live around any kind of hard material dust particles either. and i NEVER put it in a pocket with keys or coins EVER.

so could apple be using softer glass on the later production runs of iPhones???

i took no time to decide that a zagg protector will be fitted to my most recent replacement :p not had it long enough to comment on it yet really though.
 
I used a zagg shield on my old blackberry that I loved but I tried it on the iPhone with poor results (peeling, discoloration) and I knew it would be difficult to install on the iPad but it was all they had at the best buy that I was at. I still have bubbles (almost 12 hours later so I guess they could still go away) but for some reason one edge didn't stick and is all bubbled up.
I hate the thought of spending more money on another protector - I wanted a power supply one- but it's another $30 :-/ all the accessories are just quickly adding up an this stupid zagg shield has no return/ resale value.

honestly bro i did the cheap route 3.99 for 3 protectors on ebay.... the clown sent ipad 1 protectors... which didnt work but he refunded it and let me keep them luckily my otterbox case covered what had been left with the screen protectors...
 
Again, not saying that its impossible to scratch the glass, but it is a very remote possibility. I've owned multiple devices with capacitive glass touch screen displays (including an iPhone 4, iPhone 2g, and iPad 2), and have never had a scratch on any of them...I don't necessarily baby my devices either (as evidenced by the pictures of my iPhone 2g!).

I'd frankly rather save my money, and not ruin the aesthetics and the feel of the screen by putting a screen protector on there. Not that I've ever managed to scratch the glass, but hairline scratches are not nearly as ugly and do not feel as tacky as a dirty, yellowing, bubbling etc etc screen protector.
I agree on the remote possibility, I added screen protectors for two fold.
1. anti-glare. softens the reflections.
2. if the glass does shatter from dropping it, dog trying to eat (happened to gf's phone) skin holds it all together surprisingly well. At least on a sample size of one that I've seen.

Ruining the aesthetics is subjective and personal.
Feel is subjective. The PowerSupport AG has much less finger, rids the grippy pull of glass, and fingers just effortlessly glide across, really very nice.
You push the air bubbles out during installation, non issue.
No experience with yellowing, I'd hope the quality brands would test for UV to prevent that, if not, they are removeable, they advertise no residue, but even if their is, it'll be near the end of the useful life of the device, I've yet to see a residue googone can't remove from something like a glass surface.
 
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