I’ve written numerous times about the growing importance of curation (see Curation and Discovery, The future of Curation, and Context and Curation). Wedding Snap is a service available as an iPhone and Android that curations photos taken around a single event but from multiple devices into a single location.
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I just returned from a four-day trip to Helsinki, and
I was a (relatively) early adopter to FourSquare. Today FourSquare