https://docs.google.com/presentation/d/e/2PACX-1vTPWOGZeKDeGvCwpezmqjWGvJI3c1EDd4k1g04-NkQu3yTqi47dA8IoqNJPmt6Nl0BeDPN8KV3dPDNW/pub?start=false&loop=false&delayms=3000
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Frank Zhang
Apr 03, 2019
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https://docs.google.com/presentation/d/e/2PACX-1vTPWOGZeKDeGvCwpezmqjWGvJI3c1EDd4k1g04-NkQu3yTqi47dA8IoqNJPmt6Nl0BeDPN8KV3dPDNW/pub?start=false&loop=false&delayms=3000