Dotted Lines: “2,601 People Wrote this Song”

Evey evening, the Daily Dot delivers a selection of links worth clicking from around the Web, along with the day’s must-see image or video. We call it Dotted Lines.

• A “Gangnam Style” dance-off between two actual gangs leads to violence in Bangkok.
• You can now view and delete your Facebook search history.
• Meanwhile, in Europe, Facebook has agreed to delete its facial recognition database and remove an auto-tagging feature that raised privacy concerns.
• The Internet has enabled a “golden age of fact-checking,” argues Greg Beato at Reason.
• Facebook refuses to turn over a deceased beauty queen’s account data on privacy grounds, despite an investigation into whether the woman’s death was actually a suicide.

Above: Ze Frank enlisted over 2,600 fans for an ambitious musical collaboration, and then made a video that averages the images of the performers, creating a startling effect.