In case you couldn't (or wouldn't *lazy*), we are here to provide the masses (but mostly ourselves) a place to catalog our media collection, whether it be books, DVDs, CDs...
And we're more than just that. We're providing a place for the packrats to commune and orate.
P. Chirita, S. Costache, W. Nejdl, und S. Handschuh. WWW '07: Proceedings of the 16th International Conference on World Wide Web, Seite 845--854. New York, NY, USA, ACM, (2007)