Welcome to Episode 29. of Growing ecommerce. Today, Mike is joined by Mike Taylor, co-founder of Vex Power (vexpower.com) which offers courses for marketers who want to improve their technical skills. He also offers consultancy, growth and experimentation and he's a popular instructor on LinkedIn learning. Microsoft Excel for marketers and memetics (Marketingmemetics.com) are one of his big hits over there. They discuss Mike's stance on testing. When is it a waste of time? When isn't it? And his critiques of personalization. This time, you get walked through marketing, mix modeling, generative AI, and a broader definition of memes.