You probably already saw that the average American tears through 34GB of data per person per day. Here's how the media has evolved these last few decades (sorry print), and below a way to compare your consumption with Joe Average.
This chart breaks down each activity by hours, bytes, and words for the total population, average per user, and average per American in 2008. There's a lot to process here, but my first reaction is: that many people still watch TV in standard def?
*A 1 with 21 zeros after it [UC-San Diego]