It does an excellent job explaining how Cingular recently became AT&T.
So that's the history of telecommunications as we know it.
It begins and ends with AT&T.
For a glimpse of telecommunications and cable as we MAY likely know it, take the time to read yet another provocative piece by Robert X. Cringely. It expands on the themes I've touched on in previous posts (here and here for example).
If he's right, it all begins and ends with Google.
Let's stay tuned.