HashTags are tags preceded by the number sign–#. They are used to track data about a certain subject.
Using a hashtag is the equivalent of adding metadata to your posts; it keeps information organized and searchable. HashTags.org has implemented a way to track Twitter Hashtags. For your tweets to be received, you’ll need to add the hashtag before your twitter handle. Now tracking keywords is easier—simply send the keyword to Twitter and you’ll get real time updates from across the Twitterscape. This is especially useful for obtaining information during times of crisis or emergency. Users can group together and organize a better means for the dispersal of information by simply aggregating hashtags to their posts.
Hashtags.org In Their Own Words
“#hashtags are an easy way to track a specific topic or event using the Twitter network for hyper-instant communication, coordination and reporting.”
Why Hashtags.org It Might Be A Killer
While hashtags may not win any awards for beauty, they are remarkably elegant in their simplicity and practicity. Hashtags provide a means to rally groups to produce consistent streams of information. It’s a means to organize ad hoc news updates and to focus results. The result is folksonomic, flexible, something that begins organically.
Some Questions About Hashtags.org
How easy will this be to implement—i.e. to get everyone on board? Will the use of hashtags actually result in more meaningful results? Does this go against the what are you doing twitter culture—it would be turning it more into a chat room or IRC. 
