Launching facilitating the adoption of a new design is hard – it’s even harder at the scale of Facebook Ads and Business products on top of a famous “bottoms up culture”. Building a design system takes equal parts craft, collaboration, salesmanship, and determination. Learn how we got our new design language off the ground, what strategies we used to get buy-in from teams, how we validated and propagated it, and how we adapted to speed bumps and curveballs along the way to a successful launch in unpredictable times.