Very interesting post. You are right, Web 3 is not even built and people start talking about 4.

And ir someoen is interested in Medicine 3, I recommend reading about Data LAke project: data-lake.co

Do You mine Helium? I remember talking with You about that project like 1 year ago. I wanted to start mining but there are dozens of miners of many manufacturers and I don't know which is proper for me for the start.