Web 1.0 was about someone making a website and serving it to me.
Web 2.0 was about someone making a website that I could contribute my own content to.
Web 3.0 is about someone making websites that I can participate in while still owning my own data.
That’s one, simplistic, theory, anyway. In practice Web 2.0 and Web 3.0 were/are both buzzwords that covered a whole range of things, and were adopted by all sorts of people to serve their own purposes. No one owns the expression, and if I want to claim that my boring new advertising algorithm is ‘like, so web 3.0’ then who’s to stop me?
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