According to new research from GroupMInternet, Internet advertising rose 16% to $84.8 billion in 2011, which accounts for more than 17% of all global measured media spending. North America had the highest level of digital ad spending, with a marketing investment of an estimated $34.5 billion, followed by Asia Pacific with $24.8 billion and Western Europe with $21 billion. Furthermore, the WPP Group media agency holding company predicts digital ad spending this year will climb almost 16% to $98.2 billion, representing nearly 19% of all media spending.