Geeks rule.
I have a buddy who is teaching his young daughters math skills by... playing AD&D. Temple of Elemental Evil, no less. Srsly old skool. (They're loving it, btw.)
He decided he needed hex paper. He couldn't find cheap hex paper anywhere. He found pricey hex paper, but not cheap.
So, being a geek... he made his own. With proper numbering. And 30-hex uberhexes.
With PostScript.
And a text editor.

Edit: For those of you not using a browser with embedded PDF support, try... http://www.ncpod.org/Shared/hexpaper.pdf
I am in awe.
He decided he needed hex paper. He couldn't find cheap hex paper anywhere. He found pricey hex paper, but not cheap.
So, being a geek... he made his own. With proper numbering. And 30-hex uberhexes.
With PostScript.
And a text editor.
Edit: For those of you not using a browser with embedded PDF support, try... http://www.ncpod.org/Shared/hexpaper.pdf
I am in awe.
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When I still had access to a full-size roll plotter, I used CC to do full-on, table-sized maps of every encounter I ran. It was awesome. One of the should-haves for my next employer is a plotter--8.5x11 just doesn't cut it anymore.
Yes, I know the point is "how cool is it that someone out there still codes in raw PostScript", and that coding PostScript is immensely less expensive than buying the CC suite.
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Got an 'A' on the project. Sadly, I was only auditing the class.