Social systems change much more slowly than technology.
One reason that works is that telephone networks have business arrangements in place that compensate the carriers that complete voice calls. By contrast, he adds, there is no similar business model for the Internet, and it remains uncertain how those that invest in the infrastructure will get a return on that investment. First explain to me who is going to pay for it. Without a new business model, we will wind up with a crumbling infrastructure that falls apart. It's easy to build experiments with government funding, like the original Internet.