Loopholes in Game Design
devmag.org.za/2012/05/07/loopholes-in-game-designLoopholes: what they are, how to find them, how to fix them, and a big list of generic loopholes in games.
I wrote to the address in the GPLv2 license notice and received the GPLv3 license
code.mendhak.com/gpl-v2-address-letterI was curious about the 51 Franklin Street address in the GPLv2 license notice so I wrote to them as they said