Not going to break NDA and give up our competitive advantage for HN, sorry! I can tell you it's been useful for us, but thinking about how to use it is an exercise left for the reader.
Anyways, solenoid0937 is an LLM-hype peddler and an Anthropic shill, not an actual FAANG-employee. See proof here: https://news.ycombinator.com/item?id=48269250