Also this: http://33bits.org/2009/05/13/your-morning-commute-is-unique-on-the-anonymity-of-homework-location-pairs/ http://33bits.org/2009/05/13/your-morning-c

Also this: http://33bits.org/2009/05/13/your-morning-commute-is-unique-on-the-anonymity-of-homework-location-pairs/ http://33bits.org/2009/05/13/your-morning-commute-is-unique-...