It comes down to the third-party doctrine[0], which is the same reason the text messages or emails you send are not subject to 4th Amendment protections. While

It comes down to the third-party doctrine[0], which is the same reason the text messages or emails you send are not subject to 4th Amendment protections. While in your home you have an expectation of privacy the courts have ruled that once you release something to a third-party this expectation is not valid. [0] https://www.fas.org/sgp/crs/misc/R43586.pdf https://www.fas.org/sgp/crs/misc/R43586.pdf