Facebook released Tuesday a new instant messaging app that enables users to send photos or video to selected friends who can only see them if they send an image back. Slingshot, available for Apple and Android devices, is the second product to come out of the social networking website's Creative Labs ideas laboratory. "Shoot a photo or video of what you're up to and sling it to a bunch of friends," reads the Slingshot blurb on Apple's iTunes app store. Not unlike Snapchat, which Facebook tried but failed to acquire last year for $3 billion, Slingshot photos and video self-destruct after viewing -- although there's nothing stopping a recipient from using a smartphone's screenshot feature to copy a photo.



More...