The first name of this company's search engine was Backrub, as it analyzed the back links pointing to websites
... 
Also, a PageRank for 26 million web pages can be computed in a few hours on a
... [DOC] [TLE] Analysis of Google :: Internet Search Engines Technology Essays [PAR] According to Google lore, company founders Larry Page and Sergey Brin were 
not ... named for its unique ability to analyze the "back links" pointing to a given 
website.