I guess you’re one of today’s lucky 10,000 (as per XKCD).

I’ve never really looked into Erlang or other similar languages, but it’s come up often enough on HN that I know of BEAM.

To learn more about Erlang, OP needs only look back at the threads on the day HN went Erlang-mad:

https://news.ycombinator.com/front?day=2009-03-11