How algorithms shape our world | Video on TED

a computer algorithm that is widely used in pathfinding and graph traversal

“…the function of reasoning is argumentative. It is to devise and evaluate arguments intended to persuade.”
Hugo Mercier, Dan Sperber. Behavioral and Brain Sciences, Vol. 34, No. 2, pp. 57-74, 2011

“Human beings can, and still do, send orders from their computers to the matching engines, but this accounts for less than half of all US share trading. The remainder is algorithmic: it results from share-trading computer programs.” 2011/05/19 – LRB · Donald MacKenzie