What can you tell about someone just from their face? Is it possible to take a picture of strangers and find out their name, where they’re from, and maybe even a portion of their Social Security number? Shocking as it sounds, recent research suggests the answer could be yes.

We use mobile apps to order dinner, organize our to-do lists, check the forecast, and relax with a quick game. Could an app that treats acne be the next step?

Not likely. Marketers who advertised that their apps – AcneApp and Acne Pwner – could treat acne have agreed to stop making this baseless claim to settle charges brought by the Federal Trade Commission. According to the FTC complaint, marketers claimed that people using their apps simply had to hold the phone’s display screen next to the affected area of skin as colored lights treated the acne.