WHAT THE GOVERNMENT CAN LEARN FROM PHONE CALLS

This is an interesting study of a German politician who sued T-Mobile for 6 months of the metadata that was stored on his phone.  You can follow the politician's movements around the country.  It raises a lot of issues of what the NSA is able to find from all of the phone data that it has collected on people and politicians.  And as the article points out it doesn't include the internet data which the NSA was also collecting.