Resisting the urge to begin yet another post with the words, "An interesting article about..."

From Thingology, the Librarything blog: When Tags Work, and When They Don't. Why does LibraryThing have such success with a user-supplied tagging system, while Amazon doesn't?

"Tagging works well when people tag "their" stuff, but it fails when they're asked to do it to "someone else's" stuff. You can't get your customers to organize your products, unless you give them a very good incentive. We all make our beds, but nobody volunteers to fluff pillows at the local Sheraton."