Vapor ChatThere are plenty of anonymous messaging apps out there, but few let you 'unsay' something once you've sent it.
Snap Save AppThe SnapSave app lets you save SnapChat sessions without notifying the other party.
QuickVoice RecorderNeed to send an email, but hate typing? QuickVoice lets you bypass the keyboard and not worry about spelling mistakes. All you do is hit a giant "record" button and speak your message.
Facebook Plus SkypeThe addition of Skype to Facebook is the high tech equivalent of peanut better and jelly.