One of the first rules of using your iPod in the subway is to ditch the white headphones. Apple's tell-tale earbuds can have the negative effect of drawing attention to the fact that you are carrying a ~$400 device on you (we've known this since 2005, when iPod robberies were all the rage). Probably not something that needs to be advertised. When Gothamist first purchased our iPhone on launch day this fact weighed heavily......