Link analysis would eventually become a crucial component of search engines through algorithms such as Hyper Search and PageRank. 6 Customized results and filter bubblesĪ system for locating published information intended to overcome the ever increasing difficulty of locating information in ever-growing centralized indices of scientific work was described in 1945 by Vannevar Bush, who wrote an article in The Atlantic Monthly titled ' As We May Think' in which he envisioned libraries of research with connected annotations not unlike modern hyperlinks.