D. Search Engine Results Page
41. GSEs produce information responsive to a query on a search engine results page, or SERP. The SERP “provid[es] links to websites drawn from a broad index of the web as well as provid[es] additional information[.]” Id. at 4610:21-22 (Whinston); id. at 7026:20-22 (J. Baker).
42. Most SERPs contain some mixture of advertisements, organic links, and vertical offerings. A sample SERP is illustrated below. UPX1 at 533.
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43. Organic links, or “blue links,” are unpaid search results that allow a user to navigate directly to a website. Tr. at 2221:15-19 (Giannandrea); id. at 6509:25–6510:1 (Nayak). A GSE determines which links to present by sorting through indexed webpages and presenting relevant results. See UPX8104 at 165; see also supra Section II.B; infra Sections II.G & II.H.
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