It's someone from your book club. She's closing in!

Not to brag, but we invented this first! (Second one down.)

Okay, we didn't invent it. But we had the idea. We called it "ConfrontAvoidr," while the actual app you can buy in the app store is called Cloak. Its brilliant sales pitch: "Avoid exes, co-workers, that guy who likes to stop and chat—anyone you'd rather not run into." No word on how often the app crashes when you've reached that point in your life where you'd rather not see anyone you've ever met ever again (AKA your late 30s and up).

Sources: H/T Mashable | Cloak on iTunes