Magpie is a highly controversial matter: while some twitterers are happy about a (future) revenue stream, a lot of users fill be-evilled by paid viral tweets.
Mr. Tweet indeed is very good butler when it comes to micro-blogging services: find follwers and find out about their twitter behavior: small, lean and very usefull!
datadirt updates are now also available via twitter — to receive a new tweet every time the blog is updated, just follow @datadirtrss.
A new function enables TweetLater-Users to vote for a soft auto-follow: instead of immediately following each account, a moderation page allows for sorting out the bad crops.