Cellular Phones

The most commonly used computer in the world is surely the one in your hand. Mobile or cellular telephony is nowadays hardly about telephony at all, but about communication in its broadest sense. Companies and governments have fallen and risen due to the use of mobile phones and in many countries without a phone you cannot transact with society. The smartphone is therefore a, if not the, pivotal innovation of this century. A lecture by Richard Harvey The transcript and downloadable versions...