" Americans 2 years of age and older now spend an average of four hours and 49 minutes per day in front of the TV—20 percent more than 10 years ago. And we are getting this exposure at younger and younger ages, made all the more complex because of the wide variety of digital screen time now available. In 2003, 73 percent of kids under 6 watched television every day. And children younger than 2 got two hours and five minutes of “screen time” with TVs and computers per day. "

― John Medina , Brain Rules for Baby: How to Raise a Smart and Happy Child from Zero to Five