What Does that Hashtag Mean?
what is Hashtag and where it will be useing is any one can help me out plz.....
Definition: The # symbol, called a hashtag, is used to mark keywords or topics in a Tweet. It was created organically by Twitter users as a way to categorize messages.
More details here : http://support.twitter.com/forums/10711/entries/49309
very informative. I didn't know much of it.