This subject is an incredibly important one that gets a lot less attention than it should. Most videogame development guides and tutorials fail to acknowledge that communication is a game development skill.
Knowing how to speak and write effectively is right up there alongside knowing how to program, use Photoshop, follow design process, build levels, compose music, or prepare sounds. As with any of those skills there are techniques to learn, concepts to master, and practice to be done before someone's prepared to bring communication as a valuable skill to a team.
Game Developers Especially
Surely, everyone …