Jaiku

This module allows a Jaiku stream to be cleanly added in a block.
The Full Stream, User Info, and the current presence information are supported.

Jaiku is a microblogging service, similar to Twitter, that was recently acquired by Google. It allows you to post anything in 140 characters or less to a web page on jaiku.com. It's main point over Twitter is it's high level of mobile compatibility. For more information, see Jaiku's about page

IMPORTANT: This module requires PHP 5.2, or PHP <= 5.1 with the JSON PECL Extension
The Drupal 6 version will require modification to function with PHP <= 5.1 and the JSON PECL Extension. See the README.txt file in the release for more info.

This module is compatible with the changes made to Drupal 6.2. No upgrade is necessary