Don’t Panic, Your WhatsApp (Probably) Wasn't Hacked
by Jake Peterson from Lifehacker on (#5N44V)
Unlike some other messaging services, WhatsApp only lets you register one phone number per account. That means when you log into your WhatsApp account on another phone using that number, it logs you out of the app on your existing device. So if you open WhatsApp on your usual phone to find yourself logged out-even...