Mobile Call Logs Can Reveal a Lot to the NSA

Research shows how much the NSA could glean from call records, and why efforts to downplay the significance of such metadata are misleading.

http://www.technologyreview.com/news/516181/mobile-call-logs-can-reveal-a-lot-to-the-nsa/?utm_campaign=newsletters&utm_source=newsletter-daily-all&utm_medium=email&utm_content=20130619