In this episode Mihaela joins Pascal for the intro to discuss the latest news in Facebook open source including Litho and Flipper. We then move on to the interview in which Pascal chats with Alisa and Stef who work on AR Studio and AR Engine, two products that allow creatives to build effects for various Facebook apps. Tune in to hear how Alisa and Stef ended up in their current roles, how a feature makes it from inception into a product at Facebook, and how the community feedback is taken into account.

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