11 Secret Meanings Behind Punctuation in Text Messages

Remember kids: Punctuation is not Grammar. But it can be telling bit of graphology, as in the following - not entirely serious - article. 

11 Secret Meanings Behind Punctuation in Text Messages | Underwire | Wired.com
http://www.wired.com/underwire/2011/06/secret-meanings-text-message-punctuation/all/1