https://en.wikipedia.org/wiki/Firebase
Firebase is a platform developed by Google for creating mobile and web applications. It was originally an independent company founded in 2011. In 2014, Google acquired the platform and it is now their flagship offering for app development. History. Firebase evolved from Envolve, a prior startup founded by James Tamplin and Andrew Lee in 2011.
Google Cloud + Firebase. Firebase projects are backed by Google Cloud, letting you scale your app to billions of users. Read more Trusted by the largest apps and games. Development teams around the world—including NPR, Halfbrick, Duolingo, and Venmo—use Firebase to ship their apps.
Oh, I know what Google Firebase are. Maybe you don't know what Firebase are?
"This includes things like analytics, authentication, databases, configuration, file storage, push messaging, and the list goes on. The services are hosted in the cloud, and scale with little to no effort on the part of the developer." Source: https://medium.com/firebase-developers/what-is-firebase-the-complete-story-abridged-bcc730c5f2c0
Like I said, it is Google we're talking about here. Nuff' said.
Your comment includes no proper answer and no content, only an ad hominem. If you make a claim, the burden of proof is on your side of the argument, not on the responders'.
well then, we should wait for a good explanation ;)