400 million Tweets per day as of August 2012
995 million active users on Facebook as of July 26, 2012
188 million U.S. Internet users watched 37.7 billion online content videos in August 2012 and video ad views that month totalled 9.5 billion.
234 million Americans age age 13 and older used mobile devices. (7/2012)
The top mobile operating system in the United States was Android with 52.2% of all smartphone subscribers.
48.8% of mobile subscribers in the EU5 have used a smartphone in the 3 months ending May 2012.
eMarketer estimates overall ad spending in the US will rise 4.9% in 2012, but digital will outperform that: growing 16.6%.
In Africa, mobile Web is expected to overtake desktop Web.
Sources: comScore, Blogpulse, Jupiter and Forrester, Netcraft, Internet World Stats, Technorati, MobiThinking and the GVU Users Survey