The alpha geeks and the alpha power users on all platforms are using Flickr, not Webshots. It's all about the trinity of cross platform SOCIAL usability + open data + open APIs. Nobody else has all three; especially not the unsocial, non cross platform Webshots which penalizes Mac OS X users unlike Flickr where all platforms with a web browser and decent flash support are first class citizens.

From pseudorandom: Webshots vs. Flickr?.:

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Open API Web services + open data repositories = Web ecosystems

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