3
History
of GIS
Major events that shaped GIS
Era of
Innovation (1950s to 1970s)
Era of
Commercialization (1980s to 1990s)
Era of
Exploitation (21st century)
(based Longley et al., 2001: pp. 12 to
13; and Foresman, 1998)
Era of
Innovation (1950s to 1970s)
Era of
Commercialization (1980s to 1990s)
Era of
Exploitation (21st century)