What is your definition of Web 3.0?

So far I found three common definitions for Web 3.0:

• Second Life-like: the next-generation Web will permit users not only to produce and share content in the world but also to produce and share content that is confined in virtual worlds;
  


• The Semantic Web: an overlay of machine-understandable information that will allow automa to perform reasoning on user's behalf;
  


• A global "operating system" where all applications (from personal productivity to enterprise applications) are available on-line.
  

Can you share *your* definition of Web 3.0?

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