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"Square today announced it is open-sourcing everything behind the photo-sharing tool Viewfinder on GitHub. All 250,000 lines of code have been released, covering Viewfinder server, as ..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/insider/2014/05/05/five-months-acquisition-square-open-sources-viewfinder-server-android-ios-apps/>