"Facebook released Slingshot, its second attempt at an impermanent sharing app, last Tuesday. The app borrows heavily, in concept and features, from Snapchat, as well as smaller startups like Frontback and Look.
Slingshot and Facebook Messenger feature the same photo and video recording interface–a very user friendly mechanism where you tap the main button to take a picture, and hold that button to record a video.
There’s just one problem: Facebook may be violating Snapchat’s patent, “Single mode visual media capture” that was approved over a year ago. Representatives from both Facebook and Snapchat declined to comment for this story, but the patent appears to describe the way both companies’ apps record media:
“An electronic device includes digital image sensors to capt…