Survey Finds that Americans Love Using Tablets and Smartphones When Watching TV
Neilsen also looked into what people are actually doing with their smartphones and tablets when watching TV, and found that checking email was the most frequent activity, either during the commercials or when watching a show. The device users also said that they liked to look up show-related information, or information about products that they had seen on adverts when watching TV shows.
Source: Americans top at using tablets and smartphones while watching TV | The Verge
Double Vision – Global Trends in Tablet and Smartphone Use while Watching TV | Nielsen Wire