SpaceX's Starlink: Everything you need to know about Elon Musk's internet service kduffy@insider.com (Kate Duffy) Starlink is SpaceX's broadband service that beams down internet from satellites launched into orbit. Since its launch in October, it has more than 10,000 users and operates in more than six countries. Here's everything you need to know about Elon Musk's Starlink. Elon Musk is inching ever closer to fulfiling his dream of creating super-fast internet around the world, which beams down from satellites in orbit to Earth. Since its launch in October, SpaceX's Starlink internet has reached more than 10,000 users globally and started offering $99 preorders of the service to more countries and cities worldwide.