http://hackaday.com/2017/08/01/look-what-people-brought-to-breakfast-at-def-con/
https://www.engadget.com/2017/07/31/def-con-badge-culture/
https://hackaday.com/2017/07/07/def-con-badgelife-the-puffy-that-runs-linux/
https://hackaday.com/2017/07/10/def-con-badgelife-blinky-bling/
https://hackaday.com/2017/07/12/hands-on-new-andxor-unofficial-def-con-badge/
https://hackaday.com/2017/07/14/badge-from-diamond-age-comes-to-def-con/
https://hackaday.com/2017/07/19/def-con-badgelife-the-esp-rules-all/