72 Views • Created 8 years ago By CGP Grey • Updated about a year ago

Created By CGP Grey • Updated about a year ago

PROTIP: Press the ← and → keys to navigate the gallery, 'g' to view the gallery , or 'r' to view a random image.

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

Origin Entry: Should all locks have keys? Phones, Castles, Encryption, and You.
Description

Discuss this video: http://reddit.com/r/cgpgrey

Comments ( 0 )

Sorry, but you must activate your account to post a comment.