Is nine hours a day too much "screen time?"

This week's Question: A recent study from Common Sense Media  found that parents spend more than nine hours (9:22) a day with screen media, with the vast majority of that time being spent with personal screen media (7:43) and only a little more than 90 minutes devoted to work screen media. Most parents surveyed (78 percent) believe they are good media-use role models for their kids.

What do you think? Is nine hours a day too much "screen time?"