You’ve just lost a loved one. #RIP. And then they send a tweet post-mortem. #Surprised. There’s an app for that. #Doublesurprised. In fact, there’s a burgeoning category of apps designed for individuals who want to share their walls as well as their wills, laying their “selfies” bare from the great beyond. Coming out of the coffin, so to speak. Morbid though it may seem, users of apps like Everest, Cake and SafeBeyond treat death as an important life event, one that – like a wedding or a birth – merits planning and even celebration. It seems odd to think about one’s demise as something accompanied by push notifications or online checklists, but perhaps this normalization of death is, well… normal. Driving the popularity of death apps are post–World War II Baby Boomers, followed by Millennials. What do they have in common? Death, for one. And a shared desire to direct...