Web 2.0 - One Crucial Idea

Great post - The One Crucial Idea of Web 2.0

If there is one idea that encapsulates what Web 2.0 is about, one idea that wasn’t a factor before but is a factor now, it’s the idea of leveraging the network to uncover the Wisdom of Crowds.

but you'll also want to see: One of us is smarter than all of us that explains what is really meant by the wisdom of crowds concept.