EU citizens should know about
EU data retention directive. If you have a mobile phone in one of the 17 or so EU countries that have implemented it into law, you're tracked. Can't avoid it. (It's an EU directive, so member nations don't have much choice, although several are fighting it.)
"The highly controversial Directive compels all ISPs and telecommunications service providers operating in Europe to collect and retain a subscriber's incoming and outgoing phone numbers, IP addresses, location data, and other key telecom and Internet traffic data for a period of 6 months to 2 years. This applies to all European citizens, including those not suspected or convicted of any crime." (
EFF)
A German politician had to sue Deutsche Telekom to get a copy of the information about him. From ZEIT's
Betrayed by our own data:
ZEIT took this Excel file and made a fascinating interactive map:
http://www.zeit.de/datenschutz/malte-spitz-data-retention