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Should all locks have keys? Phones, Castles, Encryption, and You.

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Published on Apr 14, 2016

Discuss this video: http://reddit.com/r/cgpgrey
* FOOTNOTE: https://www.youtube.com/watch?v=e-Zps...
Brought to you in part by: http://audible.com/grey

Special Thanks:
- Mark Govea
- Wenhao Nie
- Thomas J Miller Jr MD
- dedla
- Daniel Slater
- PervertedThomas
- Robert Kunz
- Saki Comandao
- Christian Cooper
- Michael Little
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- ChoiceMechanicalDenver.com
- سليمان العقل
- Tony DiLascio
- Chang Wang
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- Martin
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- Esteban Santana Santana
- Dag Viggo Lokøen
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- Ryan
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- John Lee
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- AUFFRAY Clement
- Ilan
- Elizabeth Keathley
- David Michaels

Music by: http://www.davidreesmusic.com

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