PageRank is an algorithm used by Google Search to rank web pages in their search engine results. It was developed by Larry Page and Sergey Brin, the founders of Google, while they were students at Stanford University in the late 1990s. The key idea behind PageRank is to measure the importance and relevance of web pages based on the links between them.
Articles by others on the same topic
When Ciro finally understood that this is a play on Larry Page's name (of course it is, typical programmer/academic humor stuff), his mind blew.