The most interesting stat from this infographic research breakdown from Nielsen is that 62 percent of online Americans use the Internet and TV at the same time. In studies like this one, multiscreening has usually been identified with kids, who are perceived to be at risk from this type of behavior. But well, well, well, look at who is doing the multiscreening now! More than 60% of adults.
It's not hard to understand why this happens. You're watching something, a commercial comes on, and you check your email or look at Twitter. And it's only going to get more prevalent as our devices get better and TV stays the same.