I think the answer is going to be a form of micropayments. The system we have now is micropayments. Personal data has economic value and we pay with that. The

I think the answer is going to be a form of micropayments. The system we have now is micropayments. Personal data has economic value and we pay with that. The engineering problem is to figure out how to make the payment system less indirect so that companies can't rent seek by extracting more data (payments) for the same service.