Isenberg explains why telecommunciations are in crisis, even though communications is still growing.
...in an Internet world, a network owner has no special advantage in adding value to their network, say, over somebody who owns a few servers at the edge and buys connectivity.
This single fact makes the telephone-company business model obsolete. It also makes the Internet the huge success, the integral part of our lives that it is today.
Think about all the killer applications of the last decade -- email, instant messaging, web browsing, streaming audio, ecommerce, Internet telephony -- you don't have to be a network owner to host these apps. Indeed not a single one was brought to market by a telephone company or a cable company.