E-MAIL TIP NO. 4: Avoid humor. Humor is very subtle. What is funny to you may be offensive to someone else. If you must use humor, make sure it's subtle and soft. People don't mind grinning, but it's easy to offend someone. I've said things like, "We do have the information you want, but someone hid it so you can't find it on the Web. We'll show you where it is." (Submitted by Bill McLain, Webmaster, Xerox Corp.