I can't quite grasp it yet, but this appears to be an astonishing increase in personal capability: I can post, share, store, organize and tag anything I have in my stock photo files, and I can determine the level of sharing I wish to do with the asset. I can even sell it. The cooler part is this: I can acquire anything anyone else has shared.
This is apparently an example of what some call"web 2.0". It is manifestly about collaboration, and to some extent, it is about trust.