A few weekends ago, I was posed with a challenge that made me clutch my zillennial pearls: a request from my editors to lock my phone away for 72 hours. Having grown up with the first generation that hardly remembers life without cellphones (and yes, I know that many people who didn’t will roll their eyes), like most late-20-somethings I know, I treat my phone as nothing less than a bonus appendage: a home-office, social hub, finance tracker and news desk rolled into one pocket-sized digital