the second project presented comes from Luca Salvatori and it’s about “Joomla! extensions for Web 2.0 (Social Networks and Forums)”

here you find the Prezi presentation, in which the different possible connections between Joomla and social networks are described, besides Joomla forum functionalities

another project, always about Joomla, comes from Daniele Alimenti and it’s about “Joomla 1.6 Web 2 extensions”, showing  Joomla integration with many tools like wikis, Moodle, Facebook, Twitter, Flickr and Youtube (here the Prezi link)