Explain that Elixir is a functional programming language that targets the Erlang VM, known for its excellent support for concurrency, distribution, and fault tolerance.
Discuss the actor model and how Elixir uses lightweight processes to achieve concurrency.
Describe how Elixir processes are not OS processes but lightweight threads of execution managed by the BEAM.
Describe macros as a way of writing code that writes other code (metaprogramming).
Talk about using GenServer and agents as common ways to manage state in Elixir applications, providing examples of stateful processes.