Shane, Scott. "Data Storage Could Expand Reach of Surveillance." The New York Times, August 14, 2012.
From the article: "Government at every level is experimenting with sophisticated
surveillance equipment whose capabilities are improving as rapidly as every
other kind of electronic technology…. Not so long ago, even the most aggressive
government surveillance had to be selective: the cost of data storage was too
high and the capacity too low to keep everything. Not anymore. … And there is
plenty of data to store. The average person today leaves an electronic trail
unimaginable 20 years ago — visiting Web sites, sending e-mails and text
messages, using credit cards, passing before a proliferating network of public
and private video cameras and carrying a cellphone that reports a person’s
location every minute of the day." Read more