There Were Four Steps in the GPS Revolution

There were four steps in the GPS revolution.First new technologies were developed and became readily available; second, regulatory changes were made allowing cell phone frequencies and former military technologies available for commercial use; third, competitive forces developed new products and services; and finally __________.

A) demand exceeded production capabilities
B) profits exceeded costs and GPS units became cash cows
C) GPS technology became a necessity rather than a luxury
D) consumers changed becoming "geo-enthusiasts"
E) the International Agreement for Space Communication (IASC) allowed placement of additional satellites for use by all nations