March 2008
SEM Vendor Checklist - Search Engine Watch
"To assist you in that process, I've put together a one-page questionnaire you can use for initial screenings of potential SEM vendors."
April 2007
JupiterResearch Reveals SEM Executive Survey Findings
Search Marketers' Concerns:
The biggest problem reported by advertisers across the board was rising keyword prices,
The next-biggest concern of large advertisers was measuring the offline impact of search,
December 2006
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