It's not a secret. They are public businesses and many are on Google Maps.
Just as a helpful tip: "inside the secret world" is an colloquial term for just "here's an inside peek at something not so widely known", not that it's literally "secret" and hidden.
alt Hacker News
Just as a helpful tip: "inside the secret world" is an colloquial term for just "here's an inside peek at something not so widely known", not that it's literally "secret" and hidden.