Go Try It On, a great new fashion community site, is using Janrain Engage for iPhone to enable mobile visitors to quickly register or login to its mobile app using their existing social identites. Check out the short video below to see how easy it is to sign-in to Go Try It On’s mobile app from an iPhone, upload a photo of yourself and rate the photos of other members.

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Janrain Engage for iPhone is quick and easy to implement, with support both for client-side and richer server-side integrations.