What's possible as well is that a new comms system will grow out of some institution that finds it has a pressing communications issue and has the means within itself to come up with a solution. This is in fact how virtually all previous communications technologies have emerged.
Clay tablets and papayrus from grainkeepers and priests (often one and the same), the telegraph was a natural adjunct of railroads, for both right-of-way and signaling and messaging needs.
The Internet ...
Generalistic and moderated instance.