Millions spent on internet advertising (these smallish numbers must for a sampling):
Banner Ads $5.86
Lead Gen $1.29
Rich Media $1.57
Growth trend graphs show 2 of these 8 channels; Email and Lead Gen had dropped in 2010.
While mobile currently account for only 3% of online advertising, it grew 79% in 2010. They report text messages as the dominant form of mobile advertising among the 4 types referenced.
Growth projections through 2014 show Video as the front runner