A Joomla! based module that gives a visual appeal to your site, allows visitors to click/be redirected to a social bookmarking site...to attract more traffic to your site. Download free version, and if you're willing, please leave a review/rating of Socio
OpenID is a lightweight, decentralized identity system that has been gaining prominence. I expect this upcoming year to be a big year for OpenID -- and not just because of the Google trend chart with the recent uptake in search query share.
It might seem redundant to have semantic tagging when you can basically find anything you can think of with simple searches in Google or Yahoo. But del.icio.us seems to be most surprising when you're trying to find things that relate to what you're intere