What makes Anki better than conventional flashcards is that it manages the review schedule. If you can answer a question correctly, the time interval between reviews gradually expands. So a one-day gap between reviews becomes two days, then six days, then a fortnight, and so on. The idea is that the information is becoming more firmly embedded in... See more

Spaced repetition uses flash cards and asks you to keep the hard words you didn’t remember at the top of the deck and push to the bottom the words you already know. Essentially, the quicker you remember a word, the deeper in the deck it ends up. With physical flash cards, this is implemented by you. You make sure any “hard” words you didn’t

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how could you build a medium to better support a person’s memory of what they read? What interactions could easily and enjoyably help people consolidate memories? And, more broadly: is it possible to 2x what people remember? 10x? And would that make any long-term difference to their effectiveness?