I don't *know*, but that doesn't stop me from speculating.. 1. Licensing fees fr...

I don't know, but that doesn't stop me from speculating..

1. Licensing fees from manufacturers for the patents, designs, etc. [once the tech is street-ready and approved]

2. Contextual/location-based ads as you drive around?

ROFISH on March 29, 2012 [–]

Lost man-hours of Google employees driving to/from work.