In accordance with the terms of use, users accept responsibility for activity occurring while they're logged into the application. According to the application terms of use, Snapchat retains ''nonexclusive, worldwide, royalty-free, sublicensable and transferable license to use, reproduce, modify, adapt, publish, create derivative works from, distribute, perform and display such user content in connection with the services, subject to your use of privacy settings in the services to control who can see your user content.' 5: Snapchat owns royalty rights to every 'Snap,' or photo message, that users send. And guess what? 'You don't necessarily need crazy forensic tools that allow you … to access the information,' Andrea London, of the forensics firm Stroz Friedberg, told Mashable. Forensics experts have poked holes in that promise, though, and have said photos can be retrieved from smartphones and other devices. 4: Snapchat and Facebook both claim photos can be permanently deleted. 3: Because photos supposedly evaporate instantly, teens may be more inclined to engage in sexting because they think the risk is lower their photos will be shared on the Internet. The photos and messages disappear, so there's no record that they ever existed. 2 concerns parents who may be – and experts say, should be – monitoring their teens' social media use.