I've just been at a public meeting of the Oxford branch of NO2ID, where a couple of MPs spoke about why they are opposed to the legislation. Before the event began a bunch of us in the office were having a database related discussion on the National Identity Register (NIR). We came up with ways to break the Register:
Change your name to add some funny characters like a single quote or question mark,
or best of all:
Turn your name into a SQL Injection Attack. I'll let you know when I've changed my name to '; DROP TABLE REGISTER;