10 things you didn’t know you could do with a smartphone

If you're like most people, the thought of leaving your house sans smartphone is akin to leaving an appendage behind. According to the Pew Research Center, 77 percent of Americans own a smartphone, and they're spending an average of five hours a day checking in with their preferred digital device. However, despite all that time we spend on our phones, there are a surprising number of secret features—stuff even the most avid techies aren't familiar with.