Ever wondered why Elon Musk is so high on Starlink, the low orbit internet access centric satellite constellation his company, Space X is building? It is because despite all the talk about Mars colonies, for now, communications is what will pay the bills and keep SpaceX growing. And it could be a lot more disruptive by lowering the cost of satellite communications and by being more inclusive. Imagine what if it cost $100,000 to build and launch a satellite — and you can imagine the rest. Read this astute analysis of the Starlink phenomenon by Casey Handmer.  (Also: Who is Casey?)