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=head1 Message Passing for the Non-Blocked Mind

=head1 Introduction and Terminology

This is a tutorial about how to get the swing of the L<AnyEvent::MP>
module family, which allows processes to transparently pass messages to
itself and to other processes on the same or a different host.

What kind of messages? Basically a message here means a list of Perl
strings, numbers, hashes and arrays, anything that can be expressed as a
L<JSON> text (as JSON is the default serialiser in the protocol). Here are
two examples:

    write_log => 1251555874, "action was successful.\n"
    123, ["a", "b", "c"], { foo => "bar" }