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Letting the users do the work.
It wasn't until I read Ross Mayfield's comments on the New York Times Web 3.0 article that I realized the silliness of this piece:
In Flickr, for example, users “tag” photos, making it simple to identify images in ways that have eluded scientists in the past.“With Flickr you can find images that a computer could never find,” said Prabhakar Raghavan, head of research at Yahoo. “Something that defied us for 50 years suddenly became trivial. It wouldn’t have become trivial without the Web.
Flickr doesn't help you find a thing. It is the work of users who tagged the photos that lets you find them. If Web 3.0 depends entirely on the work of users, without any ability to infer meaning, then it won't be machines doing the work.
Something that defied us for 50 years? What? Asking users to add metadata?But asking the users to do the work is so Web 2.0.
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