Angie King
SemanticWeb.com Contributor

Now that the social media tools that define Web 2.0 have moved into the mainstream -- and believe me, it's mainstream now that our moms are on Facebook -- the interactive community has moved on to the next big thing: Web 3.0.

Recently I've seen an increase in tweets and blogs about the topic. After trying to follow the conversation, I had to admit to myself I didn't really know what "web 3.0" meant. So I decided to see what the buzz was all about.

Here's your crash course in Web 3.0, in case you were wondering, too.

The first thing you should know is that the definition of Web 3.0 is still a little murky.

Here's what some people are saying about it.

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