Good find! I figured that their 7% calculation had to be somehow based on what they promote. Thanks for finding the specifics.

I agree about the 2500 online participants. Online surveys can be skewed badly. Case in point: The Spice Girls recently had an online poll asking for a city that should be added to their planned reunion tour. Netizens came very close to sending 'em to Baghdad, Iraq.
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“Hiking is just walking where it’s okay to pee. Sometimes old people hike by mistake.” — Demitri Martin