@danielmcclure on Twitter: "The nine companies that know more about you than Google or Facebook – Quartz http://qz.com/213900/the-nine-companies-that-know-more-about-you-than-google-or-facebook"

Last Updated: May 30, 2014

The nine companies that know more about you than Google or Facebook – Quartz http://qz.com/213900/the-nine-companies-that-know-more-about-you-than-google-or-facebook

Source

https://twitter.com/danielmcclure/status/472299878044147712