What might constitute canonical uses of the mnemonic medium?

One important category is concentrated sources of platform knowledge which many people struggle to acquire (The mnemonic medium is particularly valuable for platform knowledge). For example:

Outside of platform knowledge, our understanding of the applications of the mnemonic medium is much weaker (How might the mnemonic medium enable readers in genres outside platform knowledge?).

A canonical use must also be authored virtuosically, not just in the prose but also in the prompts. See Important attributes of good spaced repetition memory prompts