Washington Post tech columnist Geoffrey A. Fowler cracked opened up a Chevrolet to find hundreds of sensors, an always-on internet connection and data from his smartphone — but few controls over his data. Read more: https://wapo.st/2PSQoam. Subscribe to The Washington Post on YouTube: https://wapo.st/2QOdcqK Follow us: Twitter: https://twitter.com/washingtonpost Instagram: https://www.instagram.com/washingtonpost/ Facebook: https://www.facebook.com/washingtonpost/