the youth market, families, customers with variable income who otherwise would not be able to obtain service due to their credit profile, and customers who prefer to pay in cash. Prepaid customers also include parents who wish to control costs for their children. In November 2006, an American embassy cable released via WikiLeaks listed Telcel among "Mexico's monopolists", with a market share of 80% of cellular service. Telmex was listed with a market share of 95% share of landlines. Push-to-Talk services In 2004, Telcel began to offer push-to-talk services over go its GSM network, though the main push-to-talk provider in Mexico at that time, as well as in other countries, was NII Holdings (Nextel). Data services Two-way SMS was introduced by the company in January 2002, and MMS, using GSM technology (for postpaid and prepaid customers), commenced in March 2003. Since December 2004, postpaid and prepaid customers may send and receive short messages to and from users from 35 other countries. In April 2002, Telcel became the first Mexican operator to offer premium information services through the utilization of its SMS capabilities; installation of the upgraded service included the development of relationships with the National Basketball Association (NBA) and the National Football League (NFL) of the United States. Telcel supplies data services in GPRS, EDGE, 3G HSPA, 3.5G HSPA+, 4G LTE and 5G. Ideas Telcel Through the Ideas Telcel portal, Telcel offers its customers mobile entertainment services and, in May 2006, TV content services were included, whereby certain customers may access news, cartoons, documentaries, and sports channels on their handsets. Internet Wireless application protocol, or "WAP", is a global standard designed to make Internet services available to mobile telephone users. Telcel offers WAP including e-mail, data and information services and electronic commerce transactions. Telcel launched its WAP gateway in September 2000, enabling its prepaid and postpaid users in those regions to access e-mail, banking, and a variety of reservation and other types of electronic commerce services. Telcel offers 2G, 3G, 3.5G, 4G LTE and 5G data services. Oficina Móvil Telcel Oficina Móvil allows Telcel customers to access email and personal information management tools on their handsets. Through alliances with companies such as Research in Motion, Palm, and Microsoft, customer products like the BlackBerry, the Treo, and Windows Mobile handsets have been offered to complement this service. Telcel also offers data coverage in Mexico, as well as other countries, where they