Replatforming is arguably one of the most difficult things you can tackle in a product management career. And if experience is about learning from mistakes, let’s just say that I have a lot of experience on replatforming. First,we should start with a quick definition. Here, replatforming is about replacing the computing platform on which a number of other products or systems are built. It’s the foundation that, for instance, powers a website and allows developers to add pages and features.