Micro-blogging is a form of blogging that allows users to write brief text updates (200 words or less) and publish them, either to be viewed by anyone or by a restricted group which can be chosen by the user.

Actually you won't by syncing your micro-blogs directly to your twitter account because twitter doesn't have that service yet but there is a site that offers that type of service which is Twitterfeed.

Twitterfeed is not a part of Twitter but rather owned by a guy named Mario. It will feed any RSS feeds directly to your Twitter account. Twitterfeed uses the OpenID system when registering an account.

1.) Click "Create new twitter feed".

2.) Enter your twitter username and password.

3.) Enter the yours Jaiku, Pownce and /or Plurk feeds on RSS Feed URL

4.) Optionally you can add an identifier name by putting Jaiku, Pownce or Plurk under the Prefix each tweet with:

5.) Click "Create"