There is a plethora of customer research methods out there and it can be difficult to stay on top of things when it comes to choosing the right method for a given research question. Specifically in the realm of product discovery, when it comes down to being able to decide whether an idea generates business value or not, certain methods lack validity or are not properly applied. In this article, André Morys provides an overview over when to use which (combination of) methods(s) for product discovery.
An effective personalization strategy should be treated as a design problem with a structured framework of ideation, implementation, and evaluation. Co-creation workshops are used to brainstorm audiences and personalized content based on credible hypotheses, which are then implemented and continuously monitored to assess the performance of the personalization strategy and individual campaigns. A good strategy focuses on UX while helping with achieving business goals.
Usability is related to customer satisfaction and loyalty and therefore has a direct impact on profit. The Conversion/Usability Framework introduces usability as an additional lever on top of "traditional" means to increase profits, which can and should also be applied beyond E-commerce.