eli5: How can Google maps know many small and recent businesses’ locations so accurately?

Question

I’ve realised that most businesses (even small kiosks) are seen on Google maps. Where and how do they get that information?

In: 2928

Answer 1

People add them. They are called Google Local Guides. I take pride in doing it, also you get special gifts from google. Nothing super amazing yet, I got a guide pin beta access to map features.