Dr. Philip Cohen:

Perhaps I am missing the point then. I apologise. I would make a couple of observations. In a national procurement one is more vulnerable to that sole supplier failing. It also tends to take other suppliers out of that marketplace and so it can entrench monopolies. I would also say that subscription-based models are increasing. On what is referred to as "the cloud", that is, software as a service, we are moving from buying the software and having it as something that can be put in a machine to subscribing to it and paying for it beforehand. If we take those two tendencies together, there is an increased risk of exposure to the system of major contracts that require----