In the world of racket sports, having a proper technique is essential. Yet, developing a flawless swing, executing a powerful serve, or learning how to properly position hips and shoulders takes time to perfect and often relies on the style, experience and subjective eye of a coach. Today, artificial intelligence (AI) and machine learning are changing that. With advancements in computer vision and biometric analysis, players and coaches can access objective, data-driven insights, often with just a smartphone or an on-court camera. These technologies are making advanced technique analysis not only accessible but also affordable, transforming the way players improve...