It’s 10 p.m. Do You Know Where Your Friends Are?

It’s 10 p.m. Do You Know Where Your Friends Are?

“I don’t sound good,” Mohr, a 20-year-old college junior studying information science at Temple University in Philadelphia, told me. “I never want to sing when anyone’s in my house with me.” So before she gets in the shower, she checks the location-sharing app Find My Friends on her phone to see whether her roommates are home, or whether she’s free to belt as loud as she wants. This is admittedly a niche use for Find My Friends.