The number of mobile broadband subscribers using 3G HSPA has increased by 850% worldwide in the past year, according to the GSM Association. But carriers are also running the risk of becoming a victim of their own success, according to some analysts. HSPA (High-Speed Packet Access) is an advanced form of 3G deployed by cellular operators that use GSM (Global System for Mobile Communications) technology. Worldwide, GSM is the most widely-used cellular technology; it is used by AT&T Inc. and T-Mobile in the U.
Most consumers overlook the small surcharges on their telephone bills. Usually no more than a few dollars per month, these support a variety of programs, including those that ensure affordable telephone service for low-income and disabled customers. But the high-cost subsidies are the most expensive and possibly the least regulated. In California for example, the two biggest phone companies, AT&T Inc. and Verizon California, received $1.