Nice post! I hope lot's of people read and understand it, the world will be a better place for it :) One thing that would be good to add is: If you implement a

Nice post! I hope lot's of people read and understand it, the world will be a better place for it :) One thing that would be good to add is: If you implement a way to create/add something, implementing a way to delete/remove that something isn't optional. As Lovecraft put it: 'Do not call up that which you cannot put down.' This will result in a system that keeps proper track of stuff.