As expected, marketers' eternal riddle on SEO vs PPC did not fail to generate interest at SES San Francisco last week, as Imelda Khoo reported. Earlier this year, Kevin Gibbons had already shared with us his in-depth analysis of the SEO or PPC option. This is why, this time, we decided to meet with SpyFu's CEO, Mike Roberts, as the search analytics company has created RECON, a tool that gives marketers a better understanding of SEO. How? By giving intelligence reports on your competitors' keywords, campaigns and ad variations... Read on.

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