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Nike's high-tech Vaporfly sneakers help athletes run 4 percent faster. Should they be banned for providing an unfair advantage? - Vox
![Glen Cottingley on Twitter: "The fact that the shoes were *secretly* debuted in Kara's race, then *disguised* to look like Nike's existing marathon running shoes at the Rio Olympics, says all you Glen Cottingley on Twitter: "The fact that the shoes were *secretly* debuted in Kara's race, then *disguised* to look like Nike's existing marathon running shoes at the Rio Olympics, says all you](https://pbs.twimg.com/media/EO2JQQxWsAAVsJX.png)
Glen Cottingley on Twitter: "The fact that the shoes were *secretly* debuted in Kara's race, then *disguised* to look like Nike's existing marathon running shoes at the Rio Olympics, says all you
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Technological doping: The science of why Nike Alphaflys were banned from the Tokyo Olympics | BBC Science Focus Magazine
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