Before I heard about web3, I started thinking about some of the same questions that are trying to be answered by web3. How can I start using systems where I own

Before I heard about web3, I started thinking about some of the same questions that are trying to be answered by web3. How can I start using systems where I own my data and control access to it via tools? Is it possible to shift towards tools that can use my data in a common format but allow me to switch tools? What should be free and what do I pay for? What is identity - how do I prove that I am who I say I am? Those are the questions I had before hearing about web3, so to me it has become an umbrella term to loosely define the conversation space about these questions (and many other related ones that I didn't originally have).