The latest bits and pieces people have been saying and doing related to SIOC:

• Enabling SIOC for AI3 - Adaptive Information - Mike Bergman installs the SIOC WordPress exporter and describes his experiences
• SIOC and AtomOWL: a new way to describe content… - [GNU] remarks on bblfish's proposal to use AtomOWL's content:encoded to describe enhanced sioc:Post content
• Using SKOS to describe communication structures - [GNU] shows us that we don't need all these sub-types of sioc:Role, sioc:Post, sioc:Forum if we use SKOS...
• SIOC data I use to crawl - [GNU] creates a plan file for scuttering SIOC data
• seeAlso for SIOC hooked in page via RDFa - [GNU] shows how to help with SIOC autodiscovery using RDFa
• Semantic Radar for FireFox and the Semantic Web Services environment - fgiasson talks about CaptSolo's Semantic Radar plugin for autodetecting SIOC data in Firefox (as well as FOAF and DOAP)
• Ping the Semantic Web.com: a pinging service for the Semantic Web - fgiasson's excellent web service for notifying TalkDigger of new Semantic Web data, including SIOC instances
• ODS SIOC Reference - Overview of how OpenLink Data Spaces allows SPARQL queries to be performed on ODS data via SIOC ontology mappings