Back in early 90's the introduction of http changed the internet, making www possible.
for the last couple of year developers have been working on the new base for internet connectivity, and much has happened.
The blockchain has arrived, it introduced a huge paradigm shift that will impact everyone who uses the net.
A decentralised system that incorporates payments and security by default.
https://www.coindesk.com/web-3-0s-crypto-winter-mission-keep-our-heads-above-the-hype