WordPress is, at heart, a blogging platform, and so has many robust blogging and comment features as well as add-ons to create social networking sites.
Archives
Blogrolls
Comments
Content
Excerpt
Feeds
Moderation
Niche = Size; Value; Dynamism (growing, static or falling)
Permalinks
Pingbacks
Plugins
Success = Influence? + Traffic? + Income?
Syndication
Trackbacks
