User blog comment:Drkdragonz66/Treyarch - Call of Duty Heading to Next-Gen Console?/@comment-2224289-20111010112938/@comment-4515889-20111010135336

because Activision wants them to work separately so each developer gets a game yearly

yearly game: 1 year lifespan, but more money due to overhyping

can you imagine the kind of CoD we would get if they actually joined forces and took their time to make a full blown game?