"Is there a tablet in Google’s future with a three-dimensional, multitouch user interface? It’s increasingly likely, given that the search giant has just acquired BumpTop, a startup whose unique software creates a 3-D environment where users can toss files and folders around as though they were playing cards, stack them in related piles and “hang” them on the virtual walls."

Charles McCathieNevile, Chief Standards Officer at Opera answers questions put to him by Mac Slocum for O'Reilly Radar. The topic: What will the browser look like in five years?