wp-e-commerce/WP-e-Commerce — pull request #1504 by JeffPyeBrook (2014-08-23 17:06:41+00:00)
Title: Look for DOING_AJAX definition to see if an ajax request is in progress.

Although the AJAX request may not have originated from a bot, from WPeC's perspective we treat it as such to avoid creating a WPeC visitor profile for an AJAX request that doesn't need WPeC functionality.