Rachel Davies discussed how agile teams in industry are adopting practices from different agile frameworks and blending them to create their own "mashups". She noted that teams using Scrum may incorporate XP practices like test-driven development and user stories. Similarly, XP teams may use elements of Scrum like daily standups and sprints. Davies emphasized that the most important aspect of agile is that teams experiment and adapt practices over time through retrospectives. She concluded by encouraging teams not to feel constrained by specific methodologies and instead focus on the core principles of agility.