There is a reason flashcards have survived every technological shift in education since index cards. Looking at a question with no options in front of you and having to produce the answer from nothing is cognitively expensive, mildly unpleasant, and dramatically more effective than reviewing the same material.
Multiple choice is the comfortable version. You see the answer among five options and recognise it. Recognition is a genuinely easier task than recall, which is why a quiz score often overstates what you would be able to say if someone just asked you.
Q&A pairs are the uncomfortable version.
What you get
Q&A generation reads a video's transcript and returns open-ended questions matched with their answers. No options. The question stands alone, and you either can answer it or you cannot — which is exactly the information you were looking for.
Paste any YouTube URL at xyzyoutube.com, or type xyz in front of one you have open, click Analyse, and choose Q&A.
Four things people do with them
Flashcards. The most common use, and the format maps directly: question on the front, answer on the back. Paste the output into Anki, Quizlet, or a notebook. A semester of lectures becomes a deck you can review on a phone in queues.
Interview preparation. A lot of technical interview material lives in conference talks. Generating Q&A from those talks gives you practice questions phrased the way a person would actually ask them — which is different from how a textbook would.
Reading groups and study partners. Hand someone the questions without the answers and you have a discussion structure that took no preparation.
Checking your own comprehension mid-course. Run Q&A on a lecture from three weeks ago. If you cannot answer questions on material you supposedly learned, you have found the gap before the exam does.
Interviews and podcasts, specifically
Most summary formats struggle with conversational content. A rambling two-hour interview has no clean hierarchy to extract, so a mind map of it comes out flat and a chronological summary comes out long.
Q&A handles it better, for a slightly obvious reason: interviews are already question-and-answer shaped. The format is working with the grain of the material rather than against it. If you follow long-form podcasts and want something durable out of them, this is the format to try first.
Q&A or Quiz?
Use Q&A when the goal is that you remember the material later. Recall practice is what builds durable memory, and the difficulty is the mechanism, not a side effect.
Use Quiz when speed or grading matters. Multiple choice is fast to take and objective to score, which is why it dominates classrooms and onboarding. Teachers assessing a class generally want the quiz format for that reason.
Using both on the same video is a reasonable pattern: quiz for the quick check, Q&A for the deck you keep.
A note on answer quality
Answers come from the transcript, which means they reflect what the speaker said rather than what is true in general. If a speaker simplified something, the answer will carry the simplification. If they were wrong, the answer will be wrong in the same way.
This is correct behaviour for studying a specific lecture — you usually do want to know what your lecturer said. It is worth remembering when using Q&A on opinion content, where "the answer" is really "this person's position."
Take a lecture you sat through a month ago and generate the pairs. Answering four of them out loud will tell you more about what you retained than an hour of rereading. Start here.