AT&T's claim that it carries the most wireless data traffic on its network is being challenged.
An ABI Research report released this week states that both Verizon Wireless and Sprint Nextel handled more data traffic last year than did AT&T. Verizon and Sprint each carried over 16 billion more megabytes of mobile network data than AT&T in 2009, the report noted.
Together, the report added, Verizon and Sprint carried 63 percent of the U.S. market's mobile network data traffic last year.
Meanwhile AT&T, which has been bashed over the past couple of years for poor network service … Read more