First, both Litho and React Native build on Yoga so there's a fair amount of code sharing. Second, they serve different purposes. Litho will be used for FB sca

First, both Litho and React Native build on Yoga so there's a fair amount of code sharing. Second, they serve different purposes. Litho will be used for FB scale optimization of certain intensive views. React Native is used for fast developer productivity. I'd wager that RN will be used in most places and Litho is used in hot spots sparingly.