A brief article from Reuters announces the fact that Microsoft has taken their Spaces weblog publishing service out of beta and is claiming more than 4.5 million users during the test phase. The Spaces home page also is sporting a new look. More about blogging tools from the major search companies in this December post from Danny and his recent post about Yahoo's new 360 service.
Also, on a somewhat related note, MS released a new version of their MSN Messenger yesterday. Here's an InternetNews.com story with details. Of interest to the search community:
MSN Messenger 7.0 will also introduce the concept of shared search on the IM client. Using integrated MSN Search capability, users will be able to search and share results of search queries while having an IM conversation.
Yahoo Messenger also allows searches to be run and shared during an IM conversation.