A growing share of Americans are reading e-books on tablets and smartphones rather than dedicated e-readers, but print books remain much more popular than books in digital formats

Nearly two-thirds of American adults (65%) use social networking sites, up from 7% when Pew Research Center began tracking social media usage in 2005.

The share of all U.S. adults who use the internet increased from 52% in 2000 to 84% today.