The SAO offers a wide range of public-relations services. For example, research results may be transmitted, via reporters, to newspapers or television stations. More direct approaches include “Observatory Nights”, special events for children, series of popular lectures, and publication of lecture series as popular books. Television, radio and film are used whenever possible to provide information about general and specific events. Standard information packages answer many of the 5000 written requests received annually. Day-to-day queries are handled (in part) by an automatic telephone answering service. At the SAO’s Whipple Observatory in Arizona (site of the MMT), visits are by guided bus tours from the foot of the mountain 18 miles (32.5 km) away. Concrete pads have been installed at the base-camp for the use of amateur astronomers – perhaps the only amateur observing site connected with a major U.S. observatory.