This technology has been talked about for a long time but it now looks like it is close, very close, to market! Clever interactive wallpaper! Now what could you use this technology for?
See: “The new role of wallpaper” (Peter Leggatt and Nathan Brooker) posted on the website (22/2) and printed in the weekend edition (23-24/2). http://www.ft.com/cms/s/2/562009c2-7b90-11e2-95b9-00144feabdc0.html#axzz2LzbK1OVC (but behind a paywall so go via the library).