public marks

PUBLIC MARKS from jmaddock with tag advertising

10 January 2006 15:30

$5.75 Billion Spent on Search Advertising in 2005

A recent study by the Search Engine Marketing Professional Organization (SEMPO) has found that advertisers in Canada and the United States spent $5.75 billion on search engine marketing campaigns over the past year.

jmaddock's TAGS related to tag advertising

internet +   marketing +   ppc +   search +   seo +