> Unless I can unplug the WAN connection on my router and connect to your product instead, keep in mind that you haven't invented the next internet.
I realize this isn't exactly what you're talking about, but it is indeed possible to unplug your WAN connection and plug something else in instead. Amateur radio operators do this amazing and fun thing with self-discovering, self-linking mesh networks. Great fun to learn and explore!
A good starting point: http://www.broadband-hamnet.org/