The brave browser is a great example of how to get into crypto for free and how to use crypto to improve on an existing service.
Taking something like chrome that is used by billions of people and providing a better version while rewarding the people who use it with a share of the revenue.
That is a win win and something that everybody should be switching to.
Its cases like this which we should be looking out for as they have a clear use case and business plan that makes sense.