What Are Vector Embeddings? (And Why Your Spotify Wrapped Knows You Too Well) Imagine a postal worker who never learned to read. Not a single word. Can't tell an A from a Z, wouldn't recognize their own name on a birthday card. And yet, this worker has memorized the precise physical location of every house in an infinite city. They navigate by pure spatial memory, knowing exactly which homes sit in the same cul-de-sac, which ones are clear across town, and which are practically next-door nei...