BudURL – Shrink it, Spread it, Watch it grow
BudURL allows you to “Shrink” a link and “Spread” it. If you have long links which will take up much of your tweets, use BudURL. With A BudURL account you can use it to shorten links such as the RSS feed links (which can then be used with Twitter Feed). These links can be tracked with BudURL so you can see how many people have been visiting that link to see how effective your tweeting is.