Exactly, building up this phone functionality is important to do now so that in 2-5 years we the public are more comfortable with the idea of self driving cars due to the incredible usefulness of blending the internet and analytics with vehicles (presented in a far less technical way, of course).

Imagine having an accurate trip-time estimate, adjusted regularly with information on which parking spots are available, and which entrance of a parking lot will have less congestion.

The high cost of driverless cars will make them take a while to catch on. But a cheap dongle can crowdsource this info to benefit us all.