Nexar's dashcam app is free, but at the cost of your data
 

We likely aren't going to get flying cars anytime soon, but we will have self-driving ones. They'll be packed to the gills with sensors to keep us safe and sound as we Snapchat ourselves cruising down the highway, bellowing along to our favorite Urfa...

https://www.engadget.com/2016/11/17/...-of-your-data/