NEW YORK (AP) – Television viewers were once called couch potatoes. Many are becoming more active while watching now, judging by the findings in a new report that illustrates the explosive growth in people who watch TV while connected to social media on smartphones and tablets.

The Nielsen company said that one in three people using Twitter in June sent messages at some point about the content of television shows, an increase of 27 percent from only five months earlier. And that was before the Olympics, which was probably the first big event to illustrate the extent of second screen usage.

Professor Robert Thompson, director at the Blyer Center for the Study of  Television and Popular Culture at Syracuse University in New York, spoke with KFWB’s Maggie McKay to discuss:

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An estimated 41 percent of tablet owners and 38 percent of smartphone owners used their device while also watching television at least once a day, Nielsen said.

That percentage hasn’t changed much; in fact, 40 percent of smartphone owners reported daily dual screen usage a year earlier, Nielsen said. The difference is that far more people own these devices and they are using them for a longer period of time. The company estimated that Americans spent a total of 157.5 billion minutes on mobile devices in July 2012, nearly doubling the 81.8 billion the same month a year earlier.

“There are big and interesting implications,” Bannon said. “I think both television networks and advertisers are onto it.”

The social media can provide networks with real-time feedback on what they are doing. The performance of moderators at presidential debates this fall was watched more closely than perhaps ever before, because people were instantly taking on Twitter to provide their own critiques.

It also makes for some conflicting information: Twitter buzzed with complaints last summer about NBC’s policy of airing many Olympics events from London on tape delay, yet ratings for the prime-time Olympics telecast soared past expectations.

The increase in people watching television and commenting about it online would seem to run counter to another big trend this fall: more people recording programs and watching them at a later hour. Those contrary trends both increase the value of live event programming like awards shows or sporting events.

The Nielsen study also found that 35 percent of people who used tablets while watching TV looked up information online about the program they were watching. A quarter of tablet owners said they researched coupons or deals for products they saw advertised on television

As rapid as the use of social media while on television is growing in the United States, it already lags behind other countries. Nielsen said that 63 percent of people in the Middle East or Africa report using social media while on TV, and 52 percent of people in Latin America.

   The U.S. media survey is based on a representative sample of 1,998 adults in Nielsen’s regular TV ratings panel, conducted online between July 19 and Aug. 8. Nielsen’s global survey involved more than 28,000 people in 51 countries and was taken between March 23 and April 12, 2011.