High-Speed Ad Traders Profit by Arbitraging Your Eyeballs
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The high-frequency trading pioneered on Wall Street has come to Madison Avenue.
Arbitragers are buying millions of online ads and reselling them for a profit in the blink of an eye. They’re exploiting price discrepancies in a fast-evolving marketplace, where this year companies around the world will spend an estimated $9.33 billion on display and banner ads at auction.