Del.icio.us

I'm enjoying delicious (forget the periods - the name is silly enough)as an easy way to save links to things I"m interested in.
Why not give customers the ability to add their own tags to items in our catalog?
Not everyone thinks like Melville Dewey did.
I need to spend more time with this to get the feel of it. I set up an account and have the bookmarklet on my toolbar.