Has been going on for a while. As I wrote about a couple years ago with my own experience:<p><a href="http:&#x2F;&#x2F;a1.blogspot.com&#x2F;2014&#x2F;08&#x2F;zoes-secret-is-3-at-amazon.html" rel="nofollow">http:&#x2F;&#x2F;a1.blogspot.com&#x2F;2014&#x2F;08&#x2F;zoes-secret-is-3-at-amazon.ht...</a>