At WordPress, Happiness is Automattic | Unencumbered by Facts:

Now that I have worked on this team for a while, I have come to realize it is anything but silly or cute; in fact, it’s quite brilliant. The impact of having this title is subtle but powerful. The Happiness Engineers truly do an incredible job helping WordPress users with every problem they report, even ones not related to WordPress. There is an infectious helpfulness that permeates the interaction between team members that can best be described as the exact opposite of the “not my problem” attitude. Your problem is their problem and they want to help resolve it.

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