Great! I like the format of the post a lot: demo, code example and super clear explanation all combined in a good starting point on the subject. (You could als

Great! I like the format of the post a lot: demo, code example and super clear explanation all combined in a good starting point on the subject. (You could also have cited Etherpad as a common implementation in addition to Docs. Etherpad was a direct predecessor to character by character OT in Docs —the team was acquhired— and it is still widely used by many organizations. But then there is so many examples and libs, I understand that you wanted to just give context!)