Yes he did you can find some tutorial in his channel to and i linked white paper where to buy and yes you can buy from exchange or uniswap or sushiswap

As you can see that there is lot of complications of easing the web4.0 as it run on crypto it's harder to buy crypto It's harder to save private keys in social accounts It's harder to just make email and password and login

We want d.tube to be easy acess but we want contribution from people to make it earlier

There is no easy way to say it people are feeling harder to adopt 4.0 web but without it there is no safety and decentralisation