In this chapter:
During the past decade, large swaths of the population in Africa, Asia, and Latin America acquired mobile services for the first time. Mobile devices are often the first telephones that these populations have had because landline phone services were not widely available. Low rates and wide availability of mobile services have helped these populations stay in touch with family members who have moved to distant cities and other countries to increase their economic opportunities.
As more people acquire mobile services for voice, carriers are exploring ways to increase ...