At the Distance Selling & e-Commerce Conference (15/12/2009, Greek Association of Distance Selling and Direct Marketing Companies [EPAM] - Boussias Communications), Yannis Karampelas took 15 minutes to show how you can "Make Your Website More Effective through Multivariate Testing without Raising your Advertising Costs".

See which renowned online entrepreneur ended up threatening Y.Karampelas "not to dare touch anything on his website without running a test first." (...talking about conversion rates to kill for)...