With nearly 1 billion users, WhatsApp is now the single most used messaging app surpassing Facebook, Skype and others. Surprisingly, 50 percent more messages are now being sent using WhatsApp than traditional SMS text messages. Of some concern is the fact that WhatsApp is extremely popular with teens as it is a way to message their friends privately without showing up in their text message history. Of greater concern is that WhatsApp has recently upgraded with end-to-end […]