It's not like they don't have money to burn on trying new stuff. Plus, it keeps their creative and intelligent employees interested and enthusiastic. Part of

It's not like they don't have money to burn on trying new stuff. Plus, it keeps their creative and intelligent employees interested and enthusiastic. Part of the attraction of working at Google is being able to work on projects such as these. If they Google stuck to doing search and nothing but search, many of their more creatively minded employees would probably leave in droves.