Source: Gavin Wood, "Why We Need Web 3.0," avail. online (Sept 12, 2018)
Despite the rebranding of crypto as "web3," Gavin Wood (co-founder & CTO of Ethereum, co-founder Polkadot) coined the term circa 2014. His web3 one-liner: "With so much of the world's data channeled through a few cables, the inconvenient truth is that unless we put in place open software protocols, our increasingly digital society will continue to be at risk from malicious 'authorities' both within society and...from outside." (Id.)
Scant on solutions, but the problem of the existing internet is well articulated.