Jan 11
18
Spending on search engine marketing (SEM) grew 23% year-over-year in the fourth quarter of 2010, signaling optimism both from marketers and consumers, according to the latest report from Efficient Frontier, a search marketing agency that manages more than $1 billion in annual spend for its… Please visit Search Engine Land for the full article.
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Research: Optimism Fueled SEM Growth in Q4, But ROI Lagged