Sboblegate - how the famous Internet Guru Forced me to roll back the Change...
summary
A former Google+ product manager recounts a 2011 incident where their team deployed a new friend-suggestion algorithm for the Google+ social graph but had to roll it back after discovering severe unintended consequences. The talk focuses on the algorithmic change, the operational detection of the problem in production, and how optimizing for the wrong metric — despite solid engineering — led to failure.
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