Wireless data revenue in the United States was nearly $13 bln in 2006 and is expected to reach $44 bln in 2010. Wireless data and multimedia services are forecast to make up 24% of all wireless revenue in the United States in 2010, although accounting for just 6% in 2006. Prepaid wireless service is the fastest growing segment of the wireless industry, increasing from 12 mln users in 2002 to 30 mln in 2006 and projected to total 55.5 mln in 2010, according to TIA.