The purpose of the "Instructor's Notes" is to guide class progress to enhance your learning experiences. We will share the upcoming Instructor's Notes weekly via the channels of course Twitter, BBLearn discussion board etc. For the first time, we share it via BBLearn email. New interface of ETC645 Google Site We have migrated ETC645 Google Sites to a new interface since Classic Sites would no longer work after September 1, 2021. The content of the ETC645 site remains the same with the new interface that the navigation menu is on the top of the site. If you observe any glitch, please do let me know so I can correct it promptly. If you have any Classic Google Sites, don't forget to convert them into the new ones by the deadline. Checklist for Lesson 1: Orientation Week Have you completed all our required orientation tasks? Don't forget! They are due 08/29/21, Sunday Midnight . Post your self-introduction on the discussion board...