The webinar on March 22, 2017, covered the fundamentals of product development in the WordPress ecosystem, emphasizing the importance of data in improving product quality and reducing abandonment rates. Speakers Vova Feldman from Freemius and David Vogelpohl from WP Engine discussed common misconceptions about tracking and data sharing, the feedback loop in product development, and key metrics for developers to consider. The session included practical examples and insights aimed at transforming participants into data-driven developers.