Late-night host Jimmy Kimmel invented 'National Unfriend Day' as an invitation - and a reminder - to get rid of the Facebook friends who are dragging you down. As Nike says, just do it.
You may unfriend people every day and that may not cause problems. But for many friends, unfriending someone on Facebook is grounds for a serious talk. But for one Florida couple, having bad Facebook ettiquette led to a visit from the police.