Road safety cameras can photograph your car running red lights. Some bars record information on driver’s licenses to establish that their patrons are old enough to drink. The Recording Industry Association of America (RIAA) uses automated web crawlers to try to find illegal copies of mp3s, and iTunes embeds personal identifying information in the tracks of every song you buy.
Christina M. Mulligan,
Perfect Enforcement Of Law: When To Limit And When To Use Technology,
Rich. J.L. & Tech
Available at: http://scholarship.richmond.edu/jolt/vol14/iss4/4