Nielsen says its new electronic viewer measuring devices show Americans are watching more TV than previously measured. “The new local-TV ratings system, which replaces a written paper-diary system with a remote-control-like device, showed an 18.6 percent in TV viewing in San Francisco, followed by a 9.1 percent gain in New York, 1.4 percent in Chicago and 0.5 percent in Los Angeles. Among TV watchers, the demographic that saw the biggest increase was men between the ages of 18 and 49, an audience that advertisers pay a premium to reach.”