Advertising Wants to be Measurable – An Investment Thesis
Both Sides of the Table
FEBRUARY 21, 2010
By now we all know that the largest part of the online spend has been SEM (search engine marketing) where people buy CPC (cost per click) links to display alongside the “organic&# search results in the search engine. This form of advertising is know at CPA (cost per action). It turns out the advertisers want you to call, too.
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