Details
Description
as discussed with lobo @SO
http://civicrm.stackexchange.com/questions/3307/how-to-get-a-b-testing-on-the-number-of-unique-open
as discussed with lobo @SO
http://civicrm.stackexchange.com/questions/3307/how-to-get-a-b-testing-on-the-number-of-unique-open