• fring – Make free mobile calls, IM with Skype, MSN Messenger, ICQ, Google Talk™, SIP & Twitter!
  Voip service for mobile devices. Runs with 3g and wifi.
  in somehowuseful with cellphone fring im mobile network social voip by 17 users
• Spokeo
  Tracks in a clever way the activities (myspace, Twitter, flickr, youtube, blogs..) of your friends through your mail contact list and shows them altogether.
  People search engine and free white pages finds phone, address, email, and photos. Find people by name, email, address, and phone for free.
  book directory find pages people phone search white whitepages
  in coolservices with friends rss social spokeo track by 18 users
• Shared stuff from people you know
  Sharing pages, articles and things. Can e-mail items also.
  in coolservices with google sharing social stuff by 3 users
• brightkite.com
  
  Discover the hidden communities behind the places that you visit. Brightkite lets you make the connection and start a conversation.
  iphone lbs location mobile photos place placecast placecasting placestream placestreaming sms social
  in somehowuseful with life networking real social by 7 users
• Digg / All News, Videos, & Images
  in coolservices with digg social by 197 users
• ThisNext
  Recommend, Share and Discover Great Products!
  in somehowuseful with discover products recommend share shopping social by 18 users
• Netvouz - Online Social Bookmark Manager - Save, Tag and Share your bookmarks
  Netvouz is a social bookmark manager where you can store your favorite links online and access them from any computer. You organize your bookmarks in folders and tag each bookmark with keywords and can then browse them by folder or tag, or search for them. You can make your bookmarks public or private, and if you have a blog you can also publish your bookmarks on it using our RSS feed.
  Netvouz is a social bookmark manager where you can store your favorite links online and access them from any computer. You organize your bookmarks in folders and tag each bookmark with keywords and can then browse them by folder or tag, or search for them. You can make your bookmarks public or private, and if you have a blog you can also publish your bookmarks on it using our RSS
  blog bookmarking bookmarks favorites links online rss social tagging tags
  in coolservices with bookmark favorite manager netvouz online social somehowuseful store by 26 users

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