https://twitter.com/Dr_KatieG1/status/1571944032707969025?s=20&t=C6Uh3V-SoMJVfVhEeP0pnQ
https://static1.squarespace.com/static/5f455f635c27d9245c08d8d3/t/60ec89f5947cc46ca1294133/1626114549576/ErrorTight.pdf