Couch potatoes haven’t moved far from the comfort of their living room to watch TV, despite digital devices designed so they don’t have to leave home without it. Among adults who actively stream and download video content, only 11 percent of their video consumption is via a computer. The overwhelming majority of their content, 75 percent, is viewed on a televisions set, according to Ipsos Insight from MOTION, the company’s study of digital video behavior.