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Kevin Slavin argues that we’re living in a world designed for — and increasingly controlled by — algorithms. In this riveting talk from TEDGlobal, he shows how these complex computer programs determine: espionage tactics, stock prices, movie scripts, and architecture. And he warns that we are writing code we can’t understand, with implications we can’t control.

Select-sort with Gypsy folk dance, Insert-sort with Romanian folk dance, Shell-sort with Hungarian (Székely) folk dance

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Every position of Rubik’s Cube™ can be solved in twenty moves or less.

How did we solve all 43,252,003,274,489,856,000 positions of the Cube?