Yes, the art of letter writing is dead. So are customer complaints departments. Or at least, they have become increasingly redundant.
Consumers now bypass the corporation altogether and take their complaints into the public - see the Vodafail YouTube video below
It appears to be far more effective, creative and engaging than the staid old letter ...the collective can participate and as the group voice becomes louder with ever click on You Tube, you can imagine CEOs demanding action... Now!