- http://waitbutwhy.com/2015/05/elon-musk-the-worlds-raddest-man.html
- http://waitbutwhy.com/2015/06/how-tesla-will-change-your-life.html
- http://www.theregister.co.uk/2015/06/10/united_airlines_accounts_open_to_mass_lockouts/
- https://nakedsecurity.sophos.com/2015/06/08/gone-in-10-seconds-man-hacks-kids-toy-to-open-garage-doors/
- https://github.com/samyk/opensesame
- http://ossmann.blogspot.com/
- http://greatscottgadgets.com/
- http://en.wikipedia.org/wiki/Replay_attack
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