Season 2 of The Data Engineering Show, hosted by Firebolt's Eldad Farkash and Benjamin Wagner, features Statsig founder and CEO Vijaye Raji, who discusses the importance of product observability in driving business outcomes. The episode explores how Statsig's platform aids in understanding user behavior through experimentation and A/B testing, emphasizing the significance of forming hypotheses and measuring product success rather than relying on assumptions. The conversation expands on the nuances of A/B testing beyond basic changes, such as button colors, to more profound impacts on product strategy and engineering culture. It highlights the transformative role of observability tools in moving from opaque processes to active business drivers and shares insights into advanced experimentation techniques like CUPED. The episode also reflects on the evolution of A/B testing from its early days with platforms like Optimizely and its impact on major companies like Facebook, illustrating the cultural and technical shifts Statsig has embraced since its inception.