This iPhone app will either put a literal smile on your face, or completely terrify you

There's very little technology can't fix these days, so if you aren't born with the kind of Hollywood smile to temporarily blind all people and small animals in your vicinity, don't give up hope. FaceApp, a trendy new iOS app, can put a glowing smile on the gloomiest of subjects. The intervention is accomplished with deep learning algorithms that come up with a smile which looks quite believably yours.

That's not nearly all the app does, though the rest of the functionality borders on the terrifying. For example, it's able to age you like even a rigorous daily regimen ...