Finally, SpaceX Joining the Direct Satellite-to-Device Race

T-Mobile and SpaceX announced a technology partnership to develop Direct Satellite-to-Smartphone connectivity and offer ubiquitous coverage and network resiliency. This will be an innovative additional feature for the network, but how real is this market opportunity? What are the technology enablers/challenges? Will this cannibalize telco/satellite revenues? Who is ahead in this race? While this is.