I don't think that copying an entire email thread to someone is an effective way of communicating. It's just a way to cover your ass. If you try to choose your

I don't think that copying an entire email thread to someone is an effective way of communicating. It's just a way to cover your ass. If you try to choose your words carefully and explain the situation to your recipient, then you have to take some responsibility for their understanding. If you just copy them the 200 prior emails, you've "done your job." The responsibility to understand is now theirs. This is a great strategy for protecting yourself in business, but it makes everything slower and more difficult for everyone else.