For those who use twitter as a way of communicating with others, you might be interested in the web-based software program called Twubs. Twubs is based on the #hashtag system that is part Twitter. According to their website….
A great feature of Twubs is that its usefulness is not limited to Twubs that have been “created”. A Twub is created anytime someone uses a #hashtag in the global Twit-o-sphere. Just type the #hashtag in the box above or add it right into the URL and you will be taken to the Twub and all its content already aggregated from tweets. Don’t know …read more

If you use Twitter as a business owner then one of the 3rd-party applications that you need to check out is http://Bit.ly because it could change the way you view Twitter. According to their website,
bit.ly allows users to shorten, share, and track links (URLs). Reducing the URL length makes sharing easier. bit.ly can be accessed through our website, bookmarklets and a robust and open API. bit.ly is also integrated into several popular third-party tools such as Tweetdeck. A more full list of third party tools can be found on the bit.ly blog. Unique user-level and aggregate links are created, allowing users to view complete, …read more