That's differential privacy, right? It's getting more attention now after the Apple news, and it would be a great start industry-wide. But it isn't cheap, and

That's differential privacy, right? It's getting more attention now after the Apple news, and it would be a great start industry-wide. But it isn't cheap, and takes a real commitment from the business. If there was enough support among tech workers to force industry to align with that sort of model, it might obviate the competitive efficiency problem.