I think this is always the case with new technology - the most profit rich segment will always fund the emergence of new technologies. The rest of the world willl reap the benefits when the leading segments pay for the research and deployment, and the cost comes down to make it feasible to use in other segments.
What drove the early days of internet commerce? you know, SSL encryption, online credit card payments, faster servers, bigger pipelines? It was the only segment of the eboom to actually make a profit - internet pornography.
There is always a leading segment that can and will pay for new technologies before they become affordable for the rest of the world.
-sm
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