> On the brighter side of things, the number of embeddings we've to query over is small. An average user has < 100,000 photos, and running a brute force search

> On the brighter side of things, the number of embeddings we've to query over is small. An average user has < 100,000 photos, and running a brute force search over 100,000 items on midrange mobile devices takes < 500ms. So your embeddings are an index? That's kind of the point of an index.