Lots of studies show Google leapfrogging Apple in the mobile hardware business. Doesn't that concern CEO Tim Cook? No, he says - and then goes on to explain why. Click here to subscribe to our channel: / wsj Visit us on Facebook: / wsjlive Follow us on Twitter: / wsjlive Visit the Wall Street Journal: www.wsj.com Don’t miss a WSJ video, subscribe here: http://bit.ly/14Q81Xy More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: / videos On Twitter: / wsj On Snapchat: https://on.wsj.com/2ratjSM