A short concise description of Erlang would be welcome, given the Erlang tweet storm on HN. I know nothing about Erlang, except for the hype :O offtopic.. is

A short concise description of Erlang would be welcome, given the Erlang tweet storm on HN. I know nothing about Erlang, except for the hype :O offtopic.. is there much activity around the arc lisp dialect [if you'll forgive me calling it that] these days?