Three years ago, Stanford Communications Professor Emeritus Donald F. Roberts believed that American youth had hit a ceiling on media use, as there simply weren’t enough hours in the day to increase the amount of time children were spending on media. He was astounded to see that time spent on media consumption did in fact grow, as young individuals began consuming heavily across multiple devices at the same time. And the numbers have continued to increase since: More than 80% of US online consumers ages 12 to 17 multitask online while watching TV.
Multitasking behavior among this demographic has changed not only in terms of the total number of hours but also in terms of the devices used. Forrester’s Consumer Technographics® data shows that in 2011, young consumers primarily went online via desktop or laptop computers while watching TV, while now they prefer to use more portable devices for multitasking activity:

