Prior discussions: - https://news.ycombinator.com/item?id=15579017 https://news.ycombinator.com/item?id=15579017 - https://news.ycombinator.com/item?id=8614198

Prior discussions: - https://news.ycombinator.com/item?id=15579017 https://news.ycombinator.com/item?id=15579017 - https://news.ycombinator.com/item?id=8614198 https://news.ycombinator.com/item?id=8614198 They summarise as "proprietary & commercial, not obvious to humans without the service, and not compatible with maps."