Yes, in (US) legal circles this is known as the "Third Party doctrine". Justice Sotomayor has said in at least one opinion that if we want to re-vamp privacy la

Yes, in (US) legal circles this is known as the "Third Party doctrine". Justice Sotomayor has said in at least one opinion that if we want to re-vamp privacy laws, the third party doctrine is what needs to be reversed, and that she may be willing to do so.