[non-META] How to be an expert

[Ken D'Ambrosio]

>> So, let's see, 8hours/day * ~12 years of being a sysadmin = ~35,000
>> hours.  So, by that statistic, I'm an expert.  Why is it then I still
>> feel so ignorant about what I do ? :)

Speaking about being ignorant, I *think* I understand what the following
line does... but, if so, then I don't understand why.  Anyone care to give
me their interpretation?  [From /usr/share/perl5/Bugzilla/CGI.pm]

    $self->charset(Param('utf8') ? 'UTF-8' : '');

Thanks,

-Ken