This brings in the moral, ethical and legal question of who owns people's privacy.
According to a 2007 American Management Association report, computer monitoring takes form ranges from keyboard(45%), files(43%), blogosphere(12%) to social networking sites(10%).
These types of software are easily purchased over the internet and can be quickly installed on phones.
A 2005 federal court ruling denies the FBI from tracking cellphone locations of people who have not committed any crimes.
[2] An arm of the U.S. military, the United States Defense Intelligence Agency (DIA), has been tracking the location of Americans by searching through databases that it purchases from mobile phone companies.