Science* is clever

http://githubengineering.com/move-fast/ – Ruby library ‘Scientist’ from GitHub: run new code in production parallel to existing code it’s meant to replace; compare the results; user always gets the result of the existing code; devs see the deviations that would occur in a production environment.

via https://blogs.msdn.microsoft.com/dotnet/2016/02/17/the-week-in-net-2172016/