MOSS 2007 ofcourse has standard RSS and wiki functionality, however the businessmodel of Microsoft is based on abroad ecosystem of partners. 2 of these partners have introduced new “web 2.0” solutions for MOSS 2007:
… Atlassian Software Systems Pty. and NewsGator Technologies Inc. today unveiled Wiki software and RSS technology, respectively, for Microsoft Corp.’s Office SharePoint Server 2.0. Both firms added SharePoint support for their products under an agreement with Microsoft announced Wednesday at the Web 2.0 Summit here.
NewsGator said that NewsGator Social Sites, a collection of site templates, profiles and middleware aimed at boosting the social computing capabilities in SharePoint 2007 and Windows SharePoint Services 3.0, started shipping today.
Atlassian, which develops and distributes the Confluence enterprise wiki software, announced the availability of a set of plug-ins that can enable the bidirectional flow of information between Confluence and SharePoint. …
The NewsGator blog has a good post on the newly introduced Social Sites :
Making SharePoint Server 2007 More Social
This morning we announced the general availability of NewsGator Social Sites, an add-on to NewsGator Enterprise Server (NGES) that encompasses site templates, Web parts, profiles and infrastructure for Microsoft SharePoint Server 2007 (Both MOSS and WSS). We’ve worked very closely with Microsoft to help enhance the social computing capabilities of the wildly popular SharePoint platform. When you combine NGES, Social Sites and SharePoint Server, you have a fantastic platform for Enterprise 2.0 collaboration across departments, divisions and entire companies. …
Check the site for all the details : NewsGator Blog