28 MOODY v. NETCHOICE, LLC ALITO, J., concurring in judgment violent, obscene, sexually explicit, and false posts that violate their community guidelines. Brief for Developers Alliance et al. as Amici Curiae 11. Some platforms—like X, for instance—say they use algorithms, not for the purpose of removing all nonconforming speech, but to “promot[e] counterspeech” that “presents facts to correct misstatements” or “denounces hateful or dangerous speech.”47 Still others, like Parler,48 Reddit,49 and Signal Messenger,50 say they engage in little or no content moderation. Some platforms have also disclosed that they use algorithms to help their users find relevant content. The e-commerce platform Etsy, for instance, uses an algorithm that matches a user’s search terms to the “attributes” that a seller ascribes to its wares.51 Etsy’s algorithm also accounts for things like the date of the seller’s listing, the proximity of the seller and buyer, and the quality of the seller’s customer-service ratings. Ibid. YouTube says it answers search queries based on “relevance, engagement and quality”—taking into account how well a search query matches a video title, the kinds of videos a particular user viewed in the past, and each creator’s “expertise, authoritativeness, and trustworthiness on a given topic.”52 —————— 47 Our Approach to Policy Development and Enforcement Philosophy, X, http://www.help.x.com/en/rules-and-policies/enforcement-philosophy. 48 Community Guidelines, Parler, https://www.parler.com/communityguidelines. 49 Reddit Content Policy, Reddit, https://www.redditinc.com/policies /content-policy. 50 Signal Terms & Privacy Policy, Signal Messenger (May 25, 2018), https://www.signal.org/legal. 51 How Etsy Search Works, Etsy Help Center, https://help.etsy.com/hc/ en-us/articles/115015745428–How-Etsy-Search-Works?segment=selling (visited Apr. 9, 2024). 52 YouTube Search, https://www.youtube.com/howyoutubeworks/ product-features/search (last accessed Apr. 23, 2024). Unlike many other platforms, YouTube does not accept payment for better placement within organic search

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