Amazon (AMZN) paid $150M-$200M (the exact sum depends on whether performance incentives are met)...

|By:, SA News Editor

Amazon (AMZN) paid $150M-$200M (the exact sum depends on whether performance incentives are met) to acquire Goodreads, Kara Swisher reports. Meanwhile, The Digital Reader points out Goodreads' book recommendation engine could be of value to Amazon, and that the site's book review count now tops 23M.