High-Tech Wearables a Big Hit at Vegas’ Consumer Electronic Show CES

A big hit this year is wearable devices that monitor a variety of different biological attributes. Many of these are designed to provide this data to your smartphone.

A young woman wears Google Glass at an unrelated book presentation and media event in Berlin, Germany on June 10, 2014. Google Glass, which films what the wearer sees and has a connection to the Internet, has caused controversy with privacy advocates. Sean Gallup/Getty Images