Twitter 4 Design Principles to Help You Build More Actionable Insights #mrx @GreenBook https://t.co/KPTD97KY5b https://t.co/PTFKMnpTnW 4 Design Principles to Help You Build More Actionable Insights #mrx @GreenBook https://t.co/KPTD97KY5b https://t.co/PTFKMnpTnW May 24, 2017 1 #mrx