Read the Constitution. There is no "right to privacy" and they shouldn't be. The government doesn't look at average schmucks like you.
Unless you're suspected of something, then you'd better hide.
The right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no Warrants shall issue, but upon probable cause, supported by Oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized.