#Hashtags are probably the bane of your Twitter existence. You no doubt follow people who either use them too much or in the strangest possible ways. Chances are, you regularly do the same. #DGAF. Currently, there are two songs that begin with a #hashtag in the Top 20. it's the most 'sign o' the times' moment of #2013 so far. The concept of a song or album including the little symbol is so new that # is still one of the forbidden characters on Wikipedia, and Will.i.am's #willpower is an example of what Wiki does in the case of an article necessitating the character in its title.