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As a technology enthusiast, I find this fascinating, and can think of several applications where it can be used.
As a consumer, Apple please, please, please stop messing with the keyboards!!!
No key displays, no different materials, no touch bars, no new mechanisms, LEAVE IT ALONE!!!!!!!!!!!!!

Couldn't disagree more as to the second part. The keyboard occupies a huge amount of real estate on one's laptop and hasn't received the same level of innovation as the rest of the device. Apple should be innovating the heck out of the keyboard, and I'm thrilled they appear to be thinking along these lines.
 
The optimus page on wikipedia mentions an Apple patent from 2007 for a keyboard like this that was OLED. Interesting.

They'll never make one, just like they'll never make a touchscreen laptop. Too bad about the latter; after using my iPad + keyboard I find myself trying to scroll and click on my MBP screen with my finger. Talk about direct manipulation. It's not a gimmick, the body just wants to do it.
 
👏 Self-proclaiming 👏 "pro" 👏 invites 👏 suspicion.
Professional: (Pro)
| prəˈfeSH(ə)n(ə)l |

ADJECTIVE
1 relating to or connected with a profession.

• worthy of or appropriate to a professional person; competent ,skillful, or assured.

2 engaged in a specified activity as one's main paid occupation rather than as a pastime.

• (informal, derogatory) denoting a person who persistently makes a feature of a particular activity or attribute.

NOUN
a person engaged or qualified in a profession.

• a person engaged in a specified activity, especially a sport or branch of the performing arts, as a main paid occupation rather than as a pastime.

• a person competent or skilled in a particular activity.
This weird obsession that people have on computer forms and message boards that you have to edit 6 streams of 8K 60 video, or have 1,000 Logic tracks running at the same time, are you have to spend 90% of your time in Xcode and terminal to actually be considered “pro” is so stupid.
Someone who uses the built in calculator app to help them do their work is technically using a computer to be a pro.
 
I understand the practicality but seems like not doable financially. 78 sapphire buttons (US keyboard).
Doesn't fix having to build different laptops since not only the keys action change but the position of the keys in some languages.

Maybe e-ink would be viable? Maybe for switching between regular and secondary (with shift). I can't imagine putting almost 80 OLED screens in a computer.

Maybe the patent is for something that can be done 10 years from now. What I can imagine is Apple doing something stupid like increasing the stupid TouchBar and making it the size of the WHOLE keyboard area. It's not like they care about key-travel. They key sales point would be how you can see all your emojis! They will tell you that's a success but will discontinue after a year. LOL
 
Couldn't disagree more as to the second part. The keyboard occupies a huge amount of real estate on one's laptop and hasn't received the same level of innovation as the rest of the device. Apple should be innovating the heck out of the keyboard, and I'm thrilled they appear to be thinking along these lines.
Remember the last time that they attempted to dip their big toe in the land of keyboard innovation?
 
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If it ain’t broke...
Apple's entire business model seems to be based around that. Putting notches in the screen, removing Touch ID, headphone jack, T2 chip, those awful MacBook keyboards from a while back, Big Sur's iOS-ification of Mac. It's all "if it ain't broke, break it" mentality
 
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Perhaps Laser Keyboard for Mac.

View attachment 1703028

Gimmick that look nice in futuristic movies but imagine typing with zero travel.
When you type, your hands will create a shadow, LOL

Another fun is Tom Cruise swiping screens in Minority Report. Try to keep your arms straight for more than 2min and you'll be tired. I'm big-boned so 1min is enough!
 
I would love this! It's fantastic if you use an alternate keyboard layout (like Dvorak, which I use). It would also allow Apple to use the same keyboard worldwide and have software display the keyboard layout. At least I think it would.
 
It feels more like extending the Touch Bar to the rest of the keyboard. I'm not sure I would like that idea.

The problem with the Touch Bar is it’s not tactile. Having keys change their displays is fine. I don’t look at them anyway. Whereas I do constantly accidentally brush against the Touch Bar and trigger functions I don’t want.
 
I realize there are probably plenty of people who look at the keyboard, but I suspect there are also a lot of people who touch type and have trained themselves never to look at it. I think that's the main reason I don't get much use out of the Touch Bar—I so rarely look there. I actually find it kind of disorienting when I do...

This is why I can’t buy any ‘Pro’ MacBook nowadays, I despise the TouchBar with a burning passion. I did try, for six months, to get used to it, but nope it had to go. I like actual physical keys to adjust volume, media transport, screen brightness and so on. I don’t want to have to faff with a sodding TouchBar.

Having said that, I’d love the TouchBar, if they had it there in addition to a proper row of function keys. Now that combination I could definitely happily live with.
 
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This would be infinitely better than the Touch Bar, but you know they’re going to add a few hundred bucks to the price for this with no option to just get a regular keyboard.
 
I see this as being less useful than making the keyboard a full glass panel that could be a keyboard, trackpad, writing / drawing surface - effectively whatever is wanted / needed for any situation.

For most people who can actually type, you’re not really ever looking down at the keys while typing, so why would having each key be a screen be useful?
 
For people who speak multiple languages, it's awesome. It means we will probably be able to switch between keyboard layouts with a button, like on the iPhone.
 
If it ain’t broke...
You're not trying.😁
6a2222caabad71f3acfff3f7ce9119b9--the-red-green-show-random-humor.jpg

If women don't find you handsome, they should at least find you handy.
 
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As long as the tactile feel is still as good or better I am OK with this.

Might be great for gamers when the keys can change characters or pick up weapons, tools, etc. to match the character or weapon's capabilities. Why be tied to WASD focused interfaces?
 
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