We are relying more and more on machines to make decisions for us — which route to take, what to buy and where to buy it — but we have no idea how these decisions are made. NPR's Robert Siegel talks with Julia Angwin, a ProPublica reporter, who has spent the year with her team looking at algorithms companies use to decide everything from what headlines we will read to what we will pay for a product. Among her most surprising findings, Asians were nearly twice as likely to get that higher price on SAT prep courses from The Princeton Review than non-Asians.
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