Infinite! Well, almost. Imagine, people spend on average 10 hours a week in their car. They don't have to drive the googlecar, so it can be fitted with scre

Infinite! Well, almost. Imagine, people spend on average 10 hours a week in their car. They don't have to drive the googlecar, so it can be fitted with screens instead of windshields, and you can push onto them 10 hours a week of endoctrinement^W advertisement (for "free" driving)! Priceless!