2011 global ad spend hit $85b, says GroupM study Internet advertising hit $84.8 billion in 2011, representing a 16 percent increase over the previous year and accounting for more than 17 percent of all global measured advertising expenditures, according to a new report from GroupM. North America led the pack in terms of overall digital ad spending with an estimated $34.5 billion; Asia-Pacific came in second with $24.8 billion followed by Western Europe with $21 billion, according to the study, … [Read more...] about 2011 global ad spend hit $85b, says GroupM study