Wow! Now I want to write apps. Other platforms like PubSub should follow Flickr’s lead: clearly document the APIs and be API religion agnostic by offering APIs for the 3 major cross platform religions: REST, XML-RPC, and SOAP.

From Flickr Services:

QUOTE

The Flickr API is now available for non-commercial use by outside developers. For an example of an application built with this API, see Organizr (or here if you are already a Flickr member).

UNQUOTE

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