https://docs.google.com/presentation/d/19e0ERMrjnNYdC32nF6SqgNdIp2ZA8i2u/edit?usp=drive_link&ouid=106079488855281374204&rtpof=true&sd=true
https://docs.google.com/document/d/1SG9eYIpuFszRTdvi-b-4iq17CTSbofKqucIqNRsYia4/edit?usp=sharing