"Nearly 18 percent of households in the United States have no traditional telephone and rely on wireless services only, which is up several percentage points from a year earlier, the government said on Wednesday. In the first half of 2008, 17.5 percent of households were wireless only, up from 13.6 percent a full year earlier, according to the U.S. Centers for Disease Control and Prevention."

http://tech.yahoo.com/news/nm/200812...reless_polls_1