Here are the results: http://www.harrisinteractive.com/vault/2013%20RQ%20Summary%20Report%20FINAL.pdf

Interesting Amazon-Google Comparison for the last 3 years:

Amazon: #1 in 2013, #4 in 2012, and #8 in 2011.

Google: #4 in 2013, #2 in 2012, and #1 in 2011.

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