An overview of:
A bit of Perl history
Perl 5 −vs− 6
Perlbrew: Running modern and bleeding-edge programs on the same system as legacy
Unicode and UTF-8 in the Web world, and how to sort and capitalize names that are more than just English.
Perl 5's heritage Object system −vs− the "new" Moose
Databases: Old-school SQL with injection vulnerabilities, SQL::Abstract, and DBIx
Tying it all together: Mojolicious