Google AdWords advertisers are now able to place a bid for keywords on content sites (contextual advertising) and a separate bid for search engine results only advertising.
Lagging behind Yahoo Search marketing that separated its contextual advertising and search engine result advertising two years ago, Google made these programming changes this week (November 23).
Now advertisers can determine the return on investment for search and contextual advertising. Previously, advertisers who bid for a keyword in AdWords would be automatically enrolled in the content network for that same keyword at the same bid price.
tags: advertising, Internet advertising, search engine marketing
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