It's too tiring to move your hands across a 24-inch or 27-inch display. The idea of a good swiveling stand that will allow the user to easily move the display down to a very low angle, so she can use it similarly to a Microsoft Surface, sounds good in a sci-fi kind of way. But at the end of a work day, your neck and arms will hurt. The angle will also limit readability and, in any case, you will obscure part of the screen with your arms.IMHO that problem is fatal to the desktop touchscreen. But it's also true that switching the right hand between a mouse and keyboard is a serious nuisance. One solution for the pointer is infrared head tracking devices. That allows the user to move the cursor with subtle head movement, leaving both hands free for the keyboard.Of course the keyboard needs to die, too - replaced by voice input, which is far more natural to humans than manual texting can be. CP3O in your pocket, anyone?
“Of course the keyboard needs to die, too - replaced by voice input”
Now picture the average multi-story office building, crammed with cubicles, and every single employee talking to their computer for every single word and command, all the while talking to their customers and clients - you -on the phone, who are also talking to their computers while trying to communicate with the business person.
Enjoy your future.