Rick Perreault tells us how conversion rate optimization can bring greater return on investment to online campaigns with a little A/B testing and analytics. Through examples in a three-month-long campaign, he shows us how to gain more return from investments. In one month he spent $200, and he takes us through how analytics and A/B testing mixed with conversion rate optimization techniques can push up conversion rates by 1.5%, as well as reduce the cost of acquisition to $80 -- a 20% improvement on ROI.