update notes
update notes

whilei/cr17-to-zero,whilei/cr17-to-zero,whilei/cr17-to-zero,webappzero/cr17-to-zero,webappzero/the-value-of-learning,webappzero/the-value-of-learning,webappzero/cr17-to-zero,webappzero/cr17-to-zero,webappzero/the-value-of-learning