Email messages still are essential tools in business communication. But sorting, reading and writing email should not take up the bulk of your day. Here are some tips for spending less time on email messages: 1. As with paper materials, practice good time management and "touch" each message only once. If you don't have time to deal with a response, then set time aside within a few hours to do so – and meanwhile run through the list of meaningless messages and spam. Open any l