Explore the controversial topic of CSS-in-JS in this insightful conference talk from JSUnconf 2019. Delve into the advantages and drawbacks of this approach to styling web applications, examining its impact on development workflows and performance. Gain a deeper understanding of how CSS-in-JS compares to traditional styling methods and evaluate whether it lives up to the hype surrounding it. Learn from Kathrin Holzmann's expertise as she presents a balanced view of this trending technique, helping you make informed decisions about incorporating CSS-in-JS into your projects.