Today Shopify announced Polaris, a new design system, that will help both partners and merchants build apps more quickly and keep consistency across experiences. I was struck by the level of details in both the UI Kit (very well organized sketch file too!) and React components. But Shopify raised the standard on language (voice & tone). If you want to build a consistent experience, you also need to watch language. And yes that involves brushing up on basic grammar 101 (from punctuation to spelling).
Building a consistent language:
Check out the new guide: https://polaris.shopify.com