owning things on the internet is (still) an unbelievably huge idea/opportunity. 

things public blockchains make it possible to own: 

identity, money, data, infrastructure, products, art/media, experiences, attention.

Absolutely, owning things on the internet through public blockchains opens up a world of possibilities. It gives individuals more control over their own identity, money, data, and assets. The ability to truly own and manage these things online can revolutionize various industries and create new opportunities for innovation and growth. It's a powerful concept with endless possibilities.