(Updated) There's this web site/app called "Whisper" that wants you to "to anonymously share their innermost thoughts, secrets, and feelings."

Whisper (bad), not Whisper Systems (good, Moxie Marlinspike)

Yeah. 

Do I have to say DON'T DO IT?!

They Geolocate, which can't be turned off, concentrates on US military bases, and Intelligence agency locations, and also use the IP address

Whisper:  Lies! (the guardian)

US Senate: Oh really?  Why don't we chat about that? (The Verge)