HBR study: having your smartphone nearby takes its toll on your thinkinghttps://hbr.org/2018/03/having-your-smartphone-nearby-takes-a-toll-on-your-thinking?referral=03758&cm_vc=rr_item_page.top_right by ryanjodonnell • 8 years ago 2 1 8 years agoHBhbr.org