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http://thenextweb.com/apps/2011/11/09/zwiggo-a-promising-collaboration-and-sharing-web-app-for-public-and-private-groups/

Zwiggo: A promising collaboration and sharing Web app for groups - TNW

Web-based collaboration platforms are common enough—we know plenty of companies that use them to manage their teams—but most of them offer a defined set of features and are targeted at companies. But what if you just want to collaborate with your friends?
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