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I here are lots of business conferences… TNW Conference US isn’t one of them.
“We’ve done tons of user testing on this, and it turns out it doesn’t work. Touch surfaces don’t want to be vertical. It gives great demo, but after a short period of time you start to fatigue, and after an extended period of time, your arm wants to fall off.” -
-Steve Jobs
What Jobs was referring too in this speech from 2010 was, of course, gorilla arm; a by-product of holding your arm in a vertical position while performing micro-movements on a touchscreen with one’s finger.
There have been many rumors over the years that Apple would introduce a touchscreen laptop, and it seems there’s no smoke without fire – patents have been filed and, by Jobs’ own admission, the company has carried out extensive user-testing in the field. Based on its research, however, it seems any plans to introduce a touchscreen MacBook were shelved long ago. 

Mone