Airless tires, master Google Search, $20K android

Musk unveils new $20K humanoid robot, store your driver's license in your iPhone, ads in the sky, Michelin's airless tires, smart shopping carts are coming to stores near you and how to search a specific website using Google Search. Plus, use these apps to convert old photos and negatives to digital photos. Learn more about your ad choices. Visit megaphone.fm/adchoices