System Design Series: Taro Playlists [Part 4] - Covering Edge Cases

The tactics are covered in the doc linked above, so this summary will focus on the "meta" context behind this part and additional commentary:

• You should always at least try to cover all the edge cases when building out a product, even if you're a small startup.
  • If you're at Big Tech in particular, you absolutely need to have amazing coverage on edge cases as even an issue affecting just 1