|Think about Loose Coupling|
Update: I don't know why my readmore tags didn't work for the code portions.
They did 'work' -- if you look at Seekers of Perl Wisdom you'll see -- that they just didn't do what you (or I) intuitively want them to do, when looking at the node directly.
That is the way readmores are designed to work, which is why I find spoilers more useful.
With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.