* Update* 24 August 2010 WordPress.com have added even more sharing options including Facebook, Stumbleupon and Digg and all of these including Twitter are now setup in Settings> Sharing. Once selected all of these items are added to the end of your blog post to allow sharing to these social media sites.
Quick update. Recently Twitter launched their own ‘Tweet Button’ for blogs and other sites. These type of buttons have been available for sometime from 3rd part providers such as Tweetmeme but this is the first time that Twitter has supplied their own.
The great news is that WordPress.com have implemented this into all of their hosted blogs so it can be added by a tick of a box. The tick box is located under the Appearance Menu on the Extras Option.
On the Extra’s options tick the last option to show the “Tweet Button”:
Now on the bottom of the each post you will see a small button like:
Any user clicking this button will create an automatic tweet of the blog post title and a link back to your blog ready to post to Twitter as below: