Mobile advertising spending in the United States totalled $878 million in 2007, according to eMarketer, and is expected to reach $6.52 billion in 2012.

Mobile message advertising contributed the majority in 2007, and will increase from $810 million to $4.5 billion in 2012, SFN's World Digital Media Trends 2009 reported.

Mobile display and mobile search advertising only accounted for a minor amount in 2007, but is expected rise from $34 million to $541 million, and from $35 million to $1.48 billion in 2012, respectively, according to the report, World Digital Media Trends 2009, released by SFN and the World Association of Newspapers and News Publishers.