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 using public blockchains opens up countless opportunities and possibilities. It allows for true ownership and control over various aspects of our digital lives, from personal data to digital assets like art and products. This revolutionary concept has the potential to greatly impact how we interact and transact online. The ability to own and manage all these things on the internet is indeed a game-changer.