http://feedproxy.google.com/~r/TheMarketersPodcast/~5/nL7RQFdBykQ/TMP43.mp3 Multivariate Testing and Marketing with David Bullock http://feedproxy.google.com/~r/TheMarketersPodcast/~3/51lQjIP_xVk/ 2007-08-29 http://themarketerspodcast.com/tmp.jpg