Pinsight Media+

Sprint Nextel is partnering with European communications giant Telefónica to create a multinational mobile advertising network reaching more than 370 million subscribers across the U.S., U.K., German and Brazilian markets.

Sprint Nextel revealed that its Sprint Zone account management application attracts 13 million customers every month, which is nearly 25 percent of the company's subscriber base. Sprint Zone, which debuted in 2011, offers a place where consumers can learn about Sprint's offers, check their data usage and monitor their account.