The purpose is to create the one-stop place where to find Erlang information. At trapexit you will find: Software that is not in the standard OTP distribution, Documentation and HOWTOs, The Erlang discussion forum, Links to other Erlang sites
Chapters: History, sequential programming, concurrent programming, error handling, advanced topics
They say it takes four days to complete the course. If you know a little Prolog and a little LISP it takes you rather a few hours.