You can use WordPress  as a simple content management system (CMS) for creating research groups, help pages, or simply as an external blog.
Information on how to request a wordpress site can be found here
WordPress sites at the University include:
The Centre for Innovation in Technologies and Education (CITE)
www.cite.soton.ac.uk
Excel Placements
www.placements.soton.ac.uk
Languages At Southampton
www.languagesatsouthampton.southampton.ac.uk
Undergraduate Course Reps
www.coursereps.soton.ac.uk
The Digital Economy Research Group
www.de.soton.ac.uk
iSurvey News and Help
www.isurvey.soton.ac.uk/help