3. Users 2008: 10 million; 2010: 50 million 1 2 iPhone app 3 13 years old: United States 4 Only a web browser and Flash player is needed
4. US Demographics (As of September 28, 2010) US Demographics Updated Sep 28, 2010 • Next: Oct 6, 2010 by 9AM PDT Income represents total household income. 100 index is internet average.