At this weekend's web video convention Playlist LIVE, Rebecca Black performed a cover of Rihanna's Stay and proved she's come a long way since Friday.

These programs allow the user to control a computer remotely and are often used for malicious purposes to spy on unknowing victims.

There are quite literally no words to describe this video.

YouTuber Dafna Kopelis caught her untrained cat picking up her dog's leash and walking him home.