When you are communicating with other people, chances are that you are being overheard by your very own National Security Agency. Yes, their focus is you rather than the foreign intelligence. Your telecommunication company is faithfully helping them by giving complete access to all your communication details.
Switching off your cell phone wouldn’t hamper tracking your location through the cell phone tracker. NSA carries this out under the protection of the Foreign Intelligence and Surveillance Act. Check out the infographic below from Mobistealth to learn more about it.