Mention the word "algorithm" and media buyers and online marketers flee for cover. But the list of SEM firms and technology providers that offer proprietary technology with sophisticated algorithms is growing. In today's Search Engine WarGames column, "Search Engine Marketing on the Efficient Frontier - Part 2," Kevin Heisler shows that while algorithms are not online marketing's silver bullet, they are pushing traditional ad agencies and some interactive agencies in the right direction.
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