Have seen a number of attempts at this. None really successful. Perhaps the ultimate solution will be some augmented reality approach. Surprised in particular that Google is playing here. In CWorld:
Google is trying to reinvent the whiteboard
Jamboard is a cloud service and 55-inch display aimed at enhancing collaboration
What's big, red and supposed to be the next big thing in workplace collaboration? Google's new Jamboard, a massive touch display and accompanying cloud service that's supposed to help business users brainstorm together.
Jamboard works like a digital whiteboard, letting users sketch out ideas, attach digital sticky notes, plus bring in content from the web into a single, constantly updating workspace. People can use Jamboard to collaborate both on the 55-inch mega-display of the same name, or using accompanying tablet and smartphone apps for iOS and Android. .... "