Touchstones are projects that illustrate your comprehension of the course material, help you refine skills, and demonstrate application of knowledge. You can work on a Touchstone anytime, but you can’t submit it until you have completed the unit’s Challenges. Once you’ve submitted a Touchstone, it will be graded and counted toward your final course score. […]
Touchstones are projects that illustrate your comprehension of the course material, help
you refine skills, and demonstrate application of knowledge. You can