https://docs.google.com/presentation/d/1xWP4TgSl1BdP-5zyY9IeAOEO_Xcr_g_U/edit?usp=sharing&ouid=105630645952889148511&rtpof=true&sd=true
https://docs.google.com/document/d/17GnfouxXjWTkBpN_2yTuNDz6RblclFhj/edit?usp=sharing&ouid=105630645952889148511&rtpof=true&sd=true