Tout, a video platform for media brands and content publishers, uses feature toggles in their development process to manage product configuration differently for each partner website. They initially used an open-source Ruby library called 'feature' but later realized several unintended benefits such as easier rollbacks, minimized environment contention, and zero-downtime feature cutover. Despite some initial concerns about code complexity, Tout found that using feature toggles greatly simplified their development process and improved overall efficiency.