If you try to explain what the Semantic Web is all about, it always comes to things like “you will find things better in the semantic web…”. But what exactly is it, what you´ll find better?
To my opinion it´s all about relationships – and that´s exactly, what transforms information into knowledge: To know, how things belong together. It sounds trivial, but it´s still not that clear:
Semantic Web is about Knowledge relationship discovery.
A really great example for that was recently published by Sören Auer, Jens Lehmann, Chris Bizer and others:
About the Social Semantic Web 