In simple terms Web2.0 was a name for how 20 odd years ago the web evolved to be interactive rather than just being a collection of static sites for people to read.Wait.. what's web3 again? It's something cringe, isn't it? I bet it's web2.0 +1 and the +1 is cryptofuckery. Shit, 2.0 was only "hey, internet but now enough people have broadband we can use video more"
Web3.0 however...