overgeeked
B/X Known World
Words with Friends exists because you cannot copyright the rules to Scrabble. PlayDiplomacyOnline and Backstabbr are VTTs for Diplomacy, a Hasbro board game. They can exist because you cannot copyright the rules to Diplomacy.Well he doesn't talk about the main thing that concerns us - purported revocation of OGL 1.0. He does give a reasonable presentation on the limits of copyright, making pretty clear that while you can potentially publish D&D adventures without a licence, you can't do something like Pathfinder 1e without a licence.