[somenits]

>Because that's what's really happening here. Once you sell your data to Facebook, Twitter, etc, it's no longer "in your house." If you granted third parties license to collect and sell your data under terms of service, then that data no longer belongs to you, and you agreed to that.

That's the general thrust of Fourth Amendment jurisprudence and is called the "third-party doctrine". But the Carpenter decision in 2018 is a big exception to that, and it's likely that more are to come.