Perhaps this is old news, but I just realized it was available.
Alamy has shown search data, sales and view information for your own images for a while now, but I just realized they show this information for their entire collection.
http://www.alamy.com/Customersearch/Customersearchhistory.aspxThis can be potentially very useful when searching out new subject matter to shoot.... at least if you are thinking of putting it on Alamy.