For context, the definition of web 3.0 from Tim Berners-Lee gives a good idea an the level of hazyness of this concept:

> People keep asking what Web 3.0 is. I think maybe when you've got an overlay of scalable vector graphics — everything rippling and folding and looking misty — on Web 2.0 and access to a semantic Web integrated across a huge space of data, you'll have access to an unbelievable data resource.