sexually suggestive nude or nearly nude photo or video" using a cellphone. 15% of adult Americans have received such material and 3% of teenagers say they have sent out X-rated pictures using their handset. Apple, not totally blind to the use of the app, has it designated for users 12 years of age and older and warns of "mild sexual content or nudity".
A similar app that deleted text messages called Tigertext, was developed in 2010 after Tiger Woods' texting got him into trouble.
source: NYTimes via Forbes