The study followed online retailer clients in pet supplies, consumer electronics, flowers and gifts, housewares, and food and drug, analyzing the performance of each category on a weekly basis in Q1 2009 and compared the data with that for the same period last year.

The summary concludes with three suggestions for search planning:

- First, anticipate: analyze keyword search data for the second quarters of 2008, 2007 and 2006, since Q1 2009 exhibited similar trends as in past years
- Second, test: Tactical sales promotions are playing an increasing role in today's economy
- Third, monitor competitors "These days... everyone who does search advertising needs to justify each dollar they spend," Bose says

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