Google?s Second Most Important Algorithm? Before Google?s Panda, there was Phil

They named the project Phil, because it sounded friendly. (For those who required an acronym, they had one handy: Probabilistic Hierarchical Inferential Learner.) That was bad news for a Google Engineer named Phil who kept getting emails about the system. He begged Harik to change the name, but Phil it was.

- Steven Levy, [...]

Source: http://www.seobythesea.com/?p=6014

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