[frozenport]

Dumb question: how is this Google's core business?

[unprepare]

If sharing a ride with someone frees up my attention to use my smartphone instead of watching the road, google can make more money advertising to me during that time.

[frozenport]

Yeah, and if Google covered by medical bills I might live a few more years :-)

[unprepare]

http://www.calicolabs.com/

I think they agree.