…the goal is to complete six to eight Starlink launches to get sufficient coverage to start offering the service to consumers in 2020.
42,000 satellites are what Elon & co want to have their low-orbit internet network up and running for the entire world.
They may not need that many but they’d like a few thousand extra up there for redundancies.
As to how to sign up, who is selling it and how much it will cost; that’s all very much up in the air with SpaceX president Gwynne Shotwell admitting that these along with something as simple as the installation of the service are areas they still need to work on.
The company has begun the process of working with other countries to hit the ground running. Each have their own unique process and no details about which countries have been engaged have been detailed as yet.