Google Pixel 4 boasts radar

The latest handset from Google introduces a new way to control a phone without touching it. Is it actually useful, or an interesting gimmick? And the company's hardware chief Rick Osterloh tells us why he would warn a house-guest about the presence of smart devices. Plus, Nir Eyal, author of the new book "Indistractable" shares his strategies to help us all be less distracted by our gadgets. (Image: The new Google Pixel 4 smartphone displayed during a Google launch event in New York City, Credit: REUTERS/ Eduardo Munoz).