Plaxo is an online address book and social networking service.
polladium.com is an online polling repository that offers a Twitter-like interface where members can create, vote and express their opinions on polls ranging in topics from politics and entertainment to sports and technology, among others.
Propeller is a social news portal, meaning that it is programmed by the audience. Members post links to stories from all over the Web.
Read It Later is a simple bookmarking service that allows users to mark pages to read later, even offline.
Scoop.at is an Austrian community newspaper.
Segnalo is a popular social bookmarking destination for Italy.
A place to ask questions, voice opinions and find friends.
Smak News is a social news and information site for women.
Sphinn is a social site for search and interactive marketers.
