over a year ago:
^ There are a lot of beliefs on what they are. Some think they are messages/warnings from alien life. Just recently though, one man (I'm bad with names) did research on them and discovered that some were actually made by humans, but these people were not doing it just to mess with people, that they have had been contacted by these aliens and it was up to them to deliver these messages. Because even though they were made by humans, the energy in them were still strong and people's video equipment died and batteries drained.