I found these lately:

• Now Is Gone » Socialmedia Case Studies – Home of social media marketing cases
  Tags:socialmedia research socialnetworks
• Call2 – Jajah competitor. Not VoIP-based service.
  Tags:telephone
• Translatorsbase.com –
  Tags:translation outsourcing
• Ente – just in case
  Tags:rezepte ente
• polymervision (wmv) – ultra-thin rollable displays in your pocket soon.

I found these lately:

• ugenGames –
  Tags:games2.0 flash mobile
• Switzerland residency immigration –
  Tags:travel switzerland
• ADSL ADSL2+ VDSL SDSL DSL Cable –
  Tags:breitband adsl
• Checkfelix –
  Tags:travel flights
• Trabber – Suchmaschine für billige Flüge –
  Tags:Travel flights
• Lugano car rental –
  Tags:lugano travel car rental
• Star Bus SA – Bus da e per Malpensa dal Ticino –
  Tags:lugano transfer milan travel malpensa bus
• Feiertage Bezirk Lugano 2008 –
  Tags:lugano travel
• DivShare – Professional Media and Document Sharing –
  Tags:storage flash
• Ex Machina: Crossmedia Multiplayer Gaming –
  Tags:games mobile
• kyte: Mobile –
  Tags:mobile video
• Mippin – Home – the page needs an RSS feed afaik
  Tags:mobile browser rss
• Mobile Research –
  Tags:mobile research market-research marketing
• heysan – mobile meebo
  Tags:mobile im
• Playyoo – A new entrant with a lot of incentives to get content for the launch.

I found these lately:

• Syllabus for Social Computer Mediated Communication – Like that one. If I had the time I’d …
  Tags:research readings education
• Socialstream – “Create a system for users to seamlessly share, view, and respond to many types of social content across multiple networks.”
  Tags:socialnetworks aggregator
• iheard Radio Stations – promising attempt to search across internet radio
  Tags:radio search
• Hillary Rodham Clinton: OurStory.com – “This is an unofficial biography and history of Hillary Rodham Clinton.”
  Tags:lifestories identity fake
• SpendView –
  Tags:finance productivity
• Network Monitor ?

Since [tag-tec]social networks[/tag-tec] are a steady buzz these days the excellent article referred below helps to understand the fundamental elements of online social networks by going back to research papers and linking their outputs to real world examples.
For designers/facilitators of [tag-ice]online social networks[/tag-ice]: take care that the flourishing of disconnected sub-networks is supported and that the big-component zombie doesn’t get all the fresh meat.