PI's 45th ANNIVERSARY -- From Art To Science

In other news:

* Growth of non-impact printing—including electrostatic, ink-jet and thermal—was among the critical trends cited for the year.

* Stung by the energy crunch, web offset printers sought new ways to monitor and control web temperatures.

* While the GAO (General Accounting Office) issued a "grim" outlook for USPS Parcel Post service, the nine-digit ZIP code system was introduced as a way to cut mailing costs.