Put tools into the hands of your customers! They'd often rather figure out their problem without a call if they possibly can.<p>Back in the day at a company called Convergent, some 80% of our trouble calls were printer-related. One of the young support guys, Tom Ball if I remember right, wrote a prolog script that evaluated rules on the print configurations state and emitted conclusions about what your print setup was gonna do. Released it to all the printer customers.<p>Printer-related support calls dropped to a fraction. Even just with that early primitive 'AI'