| Year | Banner Ads | Video Ads | Rich Media | Sponsorship |
|---|---|---|---|---|
| 2008 | 4.6 | 0.6 | 1.9 | 0.6 |
| 2009 | 5.06 | 1.02 | 1.51 | 0.37 |
| 2010 | 6.23 | 1.42 | 1.54 | 0.72 |
| 2011 | 7.55 | 2 | 1.65 | 1.12 |
| 2012 | 8.56 | 2.89 | 1.79 | 1.54 |
| 2013 | 9.72 | 3.82 | 2.64 | 1.5 |
| 2014 | 10.9 | 5.96 | 3.73 | 1.77 |
Source: eMarketer. “US Ad Spending Forecast.” October 2012, December 2013, December 2014. “Mobile Advertising Goes Mainstream,” October 2011. “Mobile Advertising and Marketing: Past the Tipping Point,” October 2010.
