twitter On the surface (npi), this looks like quite ubiquitous actually, although I wonder about the shadows. #ubicomp https://www.dezeen.com/2017/02/28/sony-xperia-touch-projector-turns-any-surface-into-touchscreen-technology-mwc-2017/ A murb'ed feed, posted about 8 years ago filed in ubicomp. Go to the original link.