This reminded me of the amazing communities of the early 1990s, when comp.lang.<language_of_interest>, or sci.engr.<engineering_speclialization_of_interest>, or

This reminded me of the amazing communities of the early 1990s, when comp.lang.<language_of_interest>, or sci.engr.<engineering_speclialization_of_interest>, or even the soc.culture.<country_of_interest> were places of great conversations and learning opportunities. I poked around Discord, in search of such, but never got interested to the same level ...