Delicious Library already does that on the Mac. Put your book/cd in front of the mac's built in webcam (or at least the barcode of the book/cd) and the item is

Delicious Library already does that on the Mac. Put your book/cd in front of the mac's built in webcam (or at least the barcode of the book/cd) and the item is added instantly to your library, with coverart and everything Very cool. So if you're going to build this type of web-app, you might need to talk to Will Shipley :-)