The mystery behind this video has been apparently solved.  The footage shows a woman in 1938 looking like she's talking on a cell phone.  Many conspiracy theorists claim she is a time traveler.  This theory may have been debunked.

According to the Huffiington Post, the Daily Mail reported that the clip showed up on You Tube about a year ago and started speculation about a time traveler caught on camera. A You Tube commenter called Planetcheck claimed to know the woman in the video.

Planetcheck also made a lot of claims in the Huffington Post article which claims that the woman in the video is a time traveler.