Market researcher Outsell Inc. has determined that click fraud is a big issue-“big” in the sense of a “$1.3 billion problem.” Their study also found that the issue has driven advertisers to spend less money with the major search engines.
WebProWorld
Market researcher Outsell Inc. has determined that click fraud is a big issue-“big” in the sense of a “$1.3 billion problem.” Their study also found that the issue has driven advertisers to spend less money with the major search engines.