The viability of direct to cell connectivity at scale is unproven. This is actually the core value of SpaceX in the next 3-5 years.
The other core value generation product will be financial transactions. It is unproven whether X money will be adopted for friction free transactions across national boundaries and whether the company can compete in the financial services sector.
The other core value generation product will be financial transactions. It is unproven whether X money will be adopted for friction free transactions across national boundaries and whether the company can compete in the financial services sector.