martes, 29 de diciembre de 2015

The Worst-Designed Thing You've Never Noticed | Roman Mars | TED Talks

https://www.youtube.com/watch?v=pnv5iKB2hl4&ab_channel=TED

Submitted December 29, 2015 at 07:06AM by ngulin http://ift.tt/1JGRXNc

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