Instant Messaging Is Growing Up, Going to Work IM DNWFM, WFU?&lt;br&gt; If you're an avid instant messenger, you probably know what I mean: "Instant messaging doesn't work for me, does it work for you?" Yet I appear to be on the way to becoming a minority, a fuddy-dud resisting the text-chat party. Instant messaging, or IM, is catching on with...