For Perl history buffs, there is a wealth of information available in this long London.pm 25 Years of Perl mailing list thread.
Though there are a number of Perl talks available at Shadowcat Systems LPW 2012 youtube channel, I couldn't find davorg's "25 Years of Perl" talk among them.
See also a detailed article at the Perl Foundation: The First Twenty-Five Years by Mark Keating (mdk)
Once (shame on you!)
Twice (shame on me!)
More often than I'd like to be
All the time
Just when answering stupid polls
Who you callin' a fool?
I refuse to vote in this ridiculous poll
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