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<p>John Green reviews the Notes app and the strange phenomenon of sports rivalries.</p><br> <p>Hosted by Simplecast, an AdsWizz company. See <a href="https://pcm.adswizz.com" target="_blank">pcm.adswizz.com</a> for information about our collection and use of personal data for advertising.</p><p>See Privacy Policy at <a href="https://art19.com/privacy" rel="noopener noreferrer" target="_blank">https://art19.com/privacy</a> and California Privacy Notice at <a href="https://art19.com/privacy#do-not-sell-my-info" rel="noopener noreferrer" target="_blank">https://art19.com/privacy#do-not-sell-my-info</a>.</p>