Few subjects seem to generate as much debate as privacy and surveillance. The government's identity cards scheme, the growth of CCTV, and widespread use of personal information in databases across the public and private sector are all contributing to fears of a Big Brother state.

But are those fears realistic? What about the benefits to be gained, such as more targeted services, improved security, lower costs, and easier dealings with government?

There is a balance to be struck, but where should the line be drawn? We want to hear your views - join the debate in our exclusive online forum.

Click here to take part in the forum discussion