Joe Raedle/Getty Images Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Starlink's 100,000 satellites will dwarf existing constellations. When deployed, SpaceX promises the network will deliver gigabit speeds. When it comes to satellite internet, Starlink has no real competition. Do you like Starlink internet? If so, you'll love that its parent company, SpaceX , has applied to the Federal Communications Commission (FCC) for permission to launch 100,000 third-generation (Gen3) Starlink satellites . The upshot for users? SpaceX promises to deliver "ultra-low-latency" multi-gigabit symmetrical broadband. Now, I'll believe that when I see it. Today's advertised peak is "up to" around 300 to 400+ Mbps down, but typical real-world speeds are much lower.…