Update Joi-Ito.md

Author: rolandlegrand

_lexicon/Joi-Ito.md

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 [Joichi "Joi" Ito](https://en.wikipedia.org/wiki/Joi_Ito), born June 19, 1966) is a Japanese activist, entrepreneur, venture capitalist, 
-Director of the MIT Media Lab and Professor of the Practice of Media Arts and Sciences at MIT.
+Director of the MIT Media Lab and Professor of the Practice of Media Arts and Sciences at MIT. He is the co-author of the 
+book [Wiplash](https://whiplashbook.com/), together with Jeff Howe.