Police worldwide are warning of a social media game dubbed game of 72 that is challenging teenagers to disappear for three long days. The rules of the Game of 72 are simple, the youngster who receives the message is not allowed to contact anyone for three days. Revere Police in Massachusetts is warning parents of the absurd practice. It seems that that game was originated in France, according to the French website The Local. The game was reportedly to blame for the disappearance of a 13-year-old girl the French press identified as Emma, who went missing for 3 days at the end of April.”]
Source: http://securityaffairs.co/wordpress/36663/cyber-crime/game-of-72.html