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Shelf four · Agents, tools & reinforcement

Memory

Intermediate · 1 min read · Three tellings

Kitchen table

Without memory, every chat starts from zero, like a friend who forgets you overnight and must be told everything again each morning. With memory, it remembers you prefer the window seat and that your project is due Friday. But choosing what to remember is the hard part. Some things should be kept, some fade, and some, a secret you blurted out, are better forgotten. A friend who remembered everything, forever, word for word, would honestly be a bit creepy.

Whiteboard

Three different problems wearing one name: working context (this session), episodic notes (what happened before), durable facts (what stays true). Writing is trivial. Curation is the discipline – deciding what deserves to persist, consolidating duplicates, expiring what went stale, and retrieving the three relevant facts instead of dumping the archive into context. Unbounded memory degrades retrieval and behaviour alike. Memory is a garden, not a log file: it needs weeding on a schedule.

Boardroom

Memory is what turns a tool into something that feels like a colleague. It is the personalisation moat, and customers feel its absence immediately. It is also a liability ledger: every stored fact about a customer is now data you hold, with retention, consent and deletion obligations attached, and 'the AI remembered it' will not soften a privacy regulator. Fund the forgetting as deliberately as the remembering. The deletion pipeline is a feature, not a compliance afterthought.

todaythis chatdiarywhat happenedfactswhat stays trueforgottenon purpose
Three jars: today, the diary, the facts, and a bin that matters.

Keywords

  • agent memory
  • long-term memory
  • context
  • personalisation
  • retention
  • state

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