Google patent inventor
Jeffrey Dean is an American computer scientist who joined Google in 1999. At Google he worked on the company's crawling, indexing, query serving and advertising systems, and co-designed infrastructure such as MapReduce, Bigtable, Spanner and TensorFlow. He led Google AI from 2018 to 2023 and served as Google's chief scientist from 2023 until he left the company in 2026 to co-found Discovery Loop. He holds a Ph.D. in computer science from the University of Washington and is a member of the National Academy of Engineering.
All their Google patents on Google PatentsPatent US 7,716,225 replaces PageRank's random surfer with a reasonable surfer who clicks some links more than others. The link features Google weighs, how the model learns from clicks, and what it changes for your linking.
Patent US 8,407,231 scores a page by how its links appear and disappear over time: a falling rate of new links marks it as stale, while sudden spikes can signal bought links. The full mechanism and what it means for link building.
“Older domains rank better” is one of SEO's most repeated myths. We trace it back to a misread patent and show what Google has actually said.