Because Wikipedia is a process, not a product, it replaces guarantees offered by institutions with probabilities supported by process.

Wikipedia [...] is the product not of collectivism but of unending argumentation.

The basic capabilities of tools like Flickr reverse the old order of group activity, transforming 'gather, then share' into 'share, then gather'.

[B]ecause the minimum costs of being an organization in the first place are relatively high, certain activities may have some value but not enough to make them worth pursuing in any organized way. New social tools are altering this equation by lowering the costs of coordinating group action.

Mass amateurization of publishing makes mass amateurization of filtering a forced move.

[F]or any group determined to maintain a set of communal standards some mechanism of enforcement must exist.