“A lot of internet man-hours have gone into figuring out what, or who, is behind them.”

(It’s Halloween Week on Unsung, where we’re sharing scary, spooky, and creepy stories.) In 2014, Engadget tried to get to the bottom of a peculiar internet mystery: A series of 11-second videos have been driving the internet crazy. There are over 80,000 of them, and all they show are a series of blue and red rectangles moving around on screen in seemingly random directions. The soundtrack is equally obtuse, comprised of a series of varying sine wave tones. The mysterious videos, posted by YouTube user Webdriver Torso, have become something of an infuriating web phenomenon. […] Are they encoded spy messages? Contact from aliens? Or, just plain, old test videos that have caught the collective imagination? A lot of internet man-hours have gone into figuring out what, or who is behind them, and we can exclusively confirm the answer. If you’re impatient you can skip right to the end for the reveal, but let’s take some time to recap the story so far. The YouTube channel is still active, if…