Snapchats Don't Disappear
Found on Forbes on Friday, 10 May 2013

Richard Hickman of Decipher Forensics found that it’s possible to pull Snapchat photos from Android phones simply by downloading data from the phone using forensics software and removing a “.NoMedia” file extension that was keeping the photos from being viewed on the device.
He says they have grabbed 60 to 70 deleted Snapchats from phones so far, with at least 40 photos taken from just one phone.
Seriously now? Snapchat makes files disappear by renaming them instead of just overwriting and deleting the images?