In two different stores lately, I've heard the Kit Kat song from several aisles away, but it sounds like it's coming from a little electronic device or something because it's really just a series of beeps.  It plays a few notes then stops, then plays a few more notes a little later, and so on.  My natural reaction is to finish the song in my head, thus becoming the song-singing candy-eating robot the marketing people want me to be.  Damn advertising.  It worked. #entertainment