Be sure to check out the new IPTV Global Online Community on TMCNet which consists of articles on IPTV Technology, Programming News, and IPTV Deployments.
A few articles of note are RealNetworks offering Envivio 4Caster Hardware, an article on targeted IPTV advertising and Dreampark Delivering IPTV Middleware in Spain.
Be sure to bookmark the page and come back throughout each day for frequent updates.