William E Hillis

The contents of the location cards include identifying information as well as strategic information about their subject locations … functional attributes of these locations that generate or condition listing and sales activity, which in turn contribute to brand visibility.

A topography of residential sales: if you are old enough to remember travel before GPS, you will have a practical recollection of the non-scalability of printed maps. Until GPS, there was no way to scale the details between an intercity map and a street map.

Effects of economic cycle turns can differ broadly between geographic farming and sphere marketing, and differ as well among different marketing spheres. Data are insufficient to measure these differences—we have scant information about who the clients are and how agents contracted them.

The economic track marks and summarizes the current economic conditions influencing home selling markets; calibrates the number of listing and selling opportunities available per turn, as well as fulfilled or sidelined demand; and provides a vehicle for enacting the effects of certain events.

Except where it leads to inquiries or referrals for listings outside the area farmed, the listing opportunities resulting from geographic farming are limited by the availability and quality of properties in that area. Sphere marketing presents no such constraints, and produces more reliable returns.