Before founding Google, Sergey Brin and Larry Page were computer science academics at Stanford University, researching graph algorithms. They modeled the Web as a graph: web pages are nodes, and links between web pages are edges. They figured if a web page receives many links from other important pages, then it must be important as well. They created the PageRank Algorithm after that idea. The algorithm runs in rounds. Each web page in the graph starts with an equal number of "points". After each round, each page distributes its points to the pages it has links to. The process is repeated
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