I found these lately:

• Social network websites: best practices from leading services » SlideShare –
  Tags:socialnetworks socialmedia research viral-marketing
• SOCIAL NETWORKING and MOMENTUM EFFECT –
  Tags:viral-marketing socialmedia socialnetworks
• Jing Project: Visual conversation starts here. Mac or Windows. – includes space for sharing.
  Tags:screencasting video
• » YouTube Case Study: Widget marketing comes of age – Startup Review Blog – ” …Max Levchin remarked that viral marketing on the Internet has been driven in three waves: E-mail, Instant Messaging and Social Networking.”
  Tags:marketing socialmedia socialnetworks widgets viral-marketing
• Statistics – Pipl – helpful stats for mySpace, FB, Hi5, Bebo, Friendster, Xanga
  Tags:statistics socialnetworks
• MoodBlast – multiple service mood generator
  Tags:mood twitter im mac
• Mac.sis | making macs and S60 handsets talk –
  Tags:mac symbian nokia s60
• Hashtags –
  Tags:twitter tagging search information-retrieval
• Terraminds twitter search –
  Tags:twitter search

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:

• Lebensgeschichte(n) im Web – ein neues Publishing Format. | .:|randgaenge|:. – Aktueller Artikel zum Thema
  Tags:lifestories family2.0 genealogy socialmedia publishing
• WebBiographies.com – this speace is heating up.
  Tags:lifestories family2.0 genealogy
• WiseMapping | Visual Thinking Evolution – another player in the field.

Only recently a new PEW Internet & American Life Projekt report was published: 28% of Online Americans Have Used the Internet to Tag Content (PDF). I’m actually surprised by that fast adoption. But as it is tagging supports the organization and findability, and the networking of digital information more easily than the traditional classification schemes that are deeply routed in the (physical) lack of space concept.