Snapchat's secret camera sunglasses just showed up in a video

There's yet more evidence that Snapchat might be working on a pair of sunglasses with a video camera built in. A promotional video for the unannounced-but-previously-rumored glasses was apparently just sitting on YouTube, and a tipster forwarded that clip to Business Insider. When questioned about the video, Snapchat immediately issued a copyright takedown and had it removed from YouTube. Thankfully Business Insider saved everything before it went offline. The glasses are apparently branded as S...