According to New Scientist, German electronics giant Siemens has developed software allegedly capable of integrating
...tasks typically done by separate surveillance teams or machines, pooling data from sources such as telephone calls, email and internet activity, bank transactions and insurance records. It then sorts through this mountain of information using software that Siemens dubs "intelligence modules". (Laura Margottini, "Surveillance Made Easy," New Scientist, 23 August 2008)
New Scientist reports that the firm has sold the system to some 60 countries in Europe and Asia. Which countries? Well, Siemens won't say.
Time to seriously think about getting off of the grid, or at least increasing the noise.
You can start by swapping supermarket shopping cards with each other.