Now Playing: 1-9-13 Marketplace Tech: Google Brings Free Wi-Fi to Manhattan, and Autonomous Cars at CES

Google just created the biggest Free Wi-Fi network in Manhattan, blanketing the Chelsea neighborhood with outdoor access for two years. The company says it's just being neighborly -- but will other internet service providers be mad? Meanwhile, International CES is usually known for televisions and smaller gadgets, but one of the big themes this year at the big event in Las Vegas is the self-driving cars of the future...and the present tech that looks towards autonomous vehicles.