Within the million tweets 140 character world of Twitter the tiny hash Tag aka Pound Symbol [#] is the difference between your messages being seen or being overlooked. Although not an official Twitter feature the hash tag is a simple and effect way to ensure your Tweet will appear when others seek out similar information. Hash tagged words are the Twitter equivalent of internet keywords. A simple click on the hash tagged word or a search at search.twitter.com and you will find all the tagged tweets with matching words.