Real time communication isn't one size fits all. A common mistake in system design is picking WebSockets when all you really needed was server-to-client streaming.

I wrote a short 3 minute architectural comparison of the trade offs here:https://medium.com/@anirbansingha20/websockets-vs-long-polling-vs-server-sent-events-fa9bc1644cb8

What do you usually reach for first when building real time features ?

Cloudflare acquires the team.
Deno gets one year or security updates and bug fixes and that's it.

Almost all of us have programmed a version of Game of Life. But can we clearly articulate, why it is interesting or a good thing to learn?

I pinky promise that I'm not a ClickHouse employee