Cell phone companies have been showing projectors since 2009 so that's an easy feature to add to a tablet, of course the immediate challenge is battery life with such a feature. I'm on my keyboard constantly and therefore am not attracted to a tablet even with a portable keyboard because then it's a 'wanna-be' laptop.
One of the limitations of a tablet as I see it, is its limited screen size.
If someone can develop a tablet which is like a miniature hand held projector then the image can be focused on any size viewable screen, wall or paper and that will increase its application areas many fold
The Other Tesla David Blaza5 comments I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...