Google takes consumers' wrists to next frontier with Android watch

SAN FRANCISCO: Voice-controlled smartwatches that track heart rates and connect to phones and tablets will debut later this year as Google Inc partners with electronics, technology and fashion companies to take consumers to the next promised frontier in computing. 

Google on Tuesday unveiled plans to help develop the watches and other wearable computers based on its Android mobile operating system, which already runs more than three out of four smartphones sold worldwide.