As much crap as AOL used to get, there's not much difference between their chat in 1996 and Teams and Slack now. And it managed to do it with 8 Mb of RAM over a 14.4k modem. Of course it didn't have video, but the group chat itself was basically the same.
In some ways, tech progress has been pretty disappointing.
In some ways, tech progress has been pretty disappointing.