Twitter and Tumblr execs ditch smartphones to combat addiction

Chicago Daily HeraldTwitter and Tumblr execs ditch smartphones to combat addictionChicago Daily HeraldFrom Arianna Huffington to strategists at Twitter Inc. and Tumblr, technocrats are taking a break from their smartphones to show they can survive without digital media -- for a few hours at least. Speaking to Bloomberg News at the Digital Life Design ...