Erlang is a great language, its concurrent structure and easy create and Call process make it the right choice for scalable, concurrent and distributed systems.
Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Some of its uses are in telecoms, banking, e-commerce, computer telephony and instant messaging. Erlang’s runtime system has built-in support for concurrency, distribution and fault tolerance. – Erlang.org
First presentation Second presentation