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Representing symbols, characters and letters that are used worldwide is no mean feat, but unicode managed it - how? Tom Scott explains how the web has settled on a standard.

More from Tom Scott:    / enyay   and   / tomscott  

EXTRA BITS:    • EXTRA BITS - UTF-8 'nearly' works - C...  
Data Security:    • Security of Data on Disk - Computerphile  

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This video was filmed and edited by Sean Riley.

Computerphile is a sister project to Brady Haran's Numberphile. See the full list of Brady's video projects at: http://bit.ly/bradychannels