He took a much more objective approach than [Marco](http://www.marco.org/2011/12/16/amazon-pr-kindle-sales) and [I](http://shawnblanc.net/2011/12/kindle-sales-numbers/) did, by comparing the number of reviews on Amazon.com for each of the new Kindles as well as searching on Twitter for images of “New Kindle”. And according to David’s findings, the Fire is selling the most.

David Smith’s Estimation of Kindle Sales