As it is, the large players like Facebook, google, Salesforce and a bunch of others like our banks, credit card companies, internet providers are all extremely well established.
A GPDR-like law would open up entirely new ways of doing business partly because these companies could no longer do business the way they are. “Free” services could no longer make their money by selling your data.
We could end up with a more “honest” set of services. Like a social network that’s actually free or paid for by individual contributions.