Suggested approach: This is an incredibly useful class, so hopefully your answer isn’t “none”! Perhaps start by talking about how they are useful to add formatting like bold, italics, and color. You might also want to mention that they are great for hyperlinks, but for real bonus points mention that you can embed images inside them as well.
Estimated difficulty: Intermediate
UserDefaultsgood for? What is
UserDefaultsnot good for?
Link copied to your pasteboard.