Product design question

How would you design a note taking app?

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What this question tests

Tests scoped product design for a mature, crowded category, requiring a specific user segment and pain point rather than a generic feature list.

How to approach it

  1. Narrow scope: pick one segment, like students taking notes during live lectures, rather than a general-purpose notes app for everyone.
  2. Identify pain points: typing fast enough to keep up with a lecture is hard, and notes taken quickly are often messy and hard to review later.
  3. Design a core loop around live audio recording synced to typed or handwritten notes, so tapping any note jumps to that exact moment in the recording.
  4. Add automatic post-lecture organization, grouping notes by class and generating a simple structured summary from the recording.
  5. Define success as notes reviewed per week after the lecture, and quiz or grade improvement correlated with regular review usage.

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