We use email, IM, google wave and yammer for work. None of them are perfect. I probably use IM most of all, we don't have a culture of instant response so it is

We use email, IM, google wave and yammer for work. None of them are perfect. I probably use IM most of all, we don't have a culture of instant response so it is not as disruptive as it sounds. But you are right, I don't feel any of the above is completely perfect.