I beg your pardon ?
"the wisdom of crowds"
Say what ? Crowds, wisdom, Wikipedia ? Somebody had better tell the kid that Wiki has bombed. Even some of the former founders have declared that Wikipedia will never be totally reliable - unless you're interested in learning Klingon, of course.
As for me, I'll take a library over a snob-edited website any day. In a library, I know that books are organized by someone who spent years learning just what organization is and how it's done, not like that travesty of an encyclopedia where true experts are trounced by losers whose only merit is to have more time to comment on the site.
There is a long way to go before crowds have wisdom, and given the state of American education at this time, I won't be holding my breath waiting for it.