ng middle class and business customers will provide enough revenue growth to sustain costly infrastructure build-outs needed to support high-speed, mobile data networks. LATIN AMERICA In Latin America, mobile services have revolutionized the lives of ordinary people throughout the region. Prior to the widespread availability of mobile services, moun- tainous regions and small rural towns had no phone service at all and often no elec- tricity. Mobile services brought the ability to conduct business and stay in touch with remote family members. Despite their relatively high prices, mobile phones have become a necessity and it's not uncommon for every family to have one, even in small villages. Throughout Latin America, branches of América Móvil, which is owned by Mexi- can conglomerate Telmex, and Spain's Telefónica dominate the industry. This domi- nance by the two conglomerates has resulted in Latin America's high prices relative to other emerging markets and some developed countries, as well. Brazil has the highest Mobile Carriers Worldwide monthly fees for service. Worldwide, Latin America has the second highest number of cellular subscriptions, after the Asia-Pacific region, and Chile and Argentina have the most mobile devices in Latin America. Chile has the highest concentration of mobile subscribers in the region with many people owning more than one device. However, owing to its large geographic and population sizes, overall telecommunications rev- enue in Brazil is higher than in any Latin American country. Brazil Brazil lays claim to the largest land mass, population, and economy in Latin America. Geographically, it is the fifth largest country in the world, only a bit smaller than the United States. Its population, 201 million people as of the end of 2010, is the fifth larg- est worldwide, behind China, India, the United States, and Indonesia. Brazil's econ- omy, as measured by gross domestic product (GDP), is the seventh largest in the world. Brazil's population is a melting pot that includes its indige