From the report: "The population of e-book readers is growing. In the past year, the number of
those who read e-books increased from 16% of all Americans ages 16 and older to
23%. At the same time, the number of those who read printed books in the
previous 12 months fell from 72% of the population ages 16 and older to 67%.
Overall, the number of book readers in late 2012 was 75% of the population
ages 16 and older, a small and statistically insignificant decline from 78% in
late 2011." Read more