Presence data is important. So important, it's the central economic driver of any future telephony service.
In the old world of telephony, you were forced to rent connectivity and service in a tightly coupled bundle. Economic activity begins when the phone call begins, and continues at a steady rate until the call ends.
In the new world, this model in inverted. As a result of technological progress, connectivity becomes very cheap to the point of being supplied on an all-you-can-eat basis at low prices. Its supply is highly fragmented (i.e. you will roam across multiple cellular, Wi-Fi and fixed networks during the day). Once a phone call is initiated, there is no "service" being delivered at the application layer that cannot be done in the peers themselves. The marginal cost of data transport for a thin audio stream is (effectively) zero. Thus when the call starts, economic activity ends.
But here's the kicker. There is a great deal of economic activity before, during and after the call. In particular, the immediate period before the initiation of the call requires the exchange of presence data so that the caller and callee rendezvous at a mutually convenient time via an appropriate medium or channel. Most of the economic value in any future "telephony service" will come from the brokering of presence data between multiple sources and sinks.
Customers have voted with their wallets -- they like to talk. The quickest way to create more value is to enable more successful conversations. Presence helps curtail playing phone-tag and voicemail ping-pong. Vendors and operators who fail to align their products with what the customers value are less likely to prosper. Unfortunately, that appears to count in most of the industry.
Here's a picture of the new world, as I see it:

Don't take the scaling on this diagram too seriously -- it's just a brain-fart done in public. Here's a guide to what I'm thinking:
Ultimately, as I have previously argued, people demand successful conversations and relationships, not just reliable phone calls. Presence is a vital enabler. Deliver that, and you're onto a winner.
Posted by Martin Geddes at 12:44 PMTrackBack URL for this entry:
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