Largely because of this: <a href="http://www.youtube.com/watch?v=pnJZXFEy6Cg" rel="nofollow">http://www.youtube.com/watch?v=pnJZXFEy6Cg</a> and <a href="http://www.reddit.com/r/WTF/comments/l6neu/dozens_of_reddit_posters_hound_the_op_for_nude/" rel="nofollow">http://www.reddit.com/r/WTF/comments/l6neu/dozens_of_reddit_...</a>