If something can be said about the telecommunications technology, it is this: it is constantly changing. Developments and discoveries are constantly being made by the brain and professionals are at the forefront of communications technologies and new products feature all the time. It's hard not to feel as if you constantly "behind" when it is about computers, internet, telephone and the like - one day, you make a purchase and at the beginning of the game, and a week later, a new productpublished and the purchase feels superfluous.