Web 3.0 and SEO

Phil Wainewright first used the term “Web 3.0” nearly a year ago, and to date the concept has been even more difficult to pin down than Web 2.0 was when it was first coined. Already the term attracts controversy, with Wikipedia barely mentioning it except to say that there is not “sufficient consensus from the community of Web designers to justify the creation of a new term to describe the next generation of the Web.” Is it real, and what does it mean for SEO?
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