.An old and wise sales man once said to me that it is much easier to sell things that people can count. For many years I pondered on this and recently I realised that it actually means that people understand the need for things they can count. For example, if you need more storage you buy some more disks, if your computing is slowing buy more and bigger servers. The contribution of the network is basically limited to what you need to plug your servers into and so does not always equate to more equipment.