Pandora

Here's a cool, well constructed site: pandora

• you enter some music you like, it suggests (and plays) other music that it thinks you would like
• umm, that's it
• except that's not it.... the thing is: It's very well done
• using it reminds me of how it was when I first came across flickr - the immediate knowledge that something is executed well.

I heard of this from corporate presenter