The state of the law in the US is that information you share with a company no longer carries an expectation of privacy, so the government can get it without a

The state of the law in the US is that information you share with a company no longer carries an expectation of privacy, so the government can get it without a warrant. This is called the "third-party doctrine." Any areas where higher scrutiny is required have been specifically added by statute. There's been some slight pushback recently against this state of affairs from the Supreme Court in the area of geolocation data, but the general rule still stands.