Billing.
"While we have not been made aware of any fraudulent use to date, it is possible that you could receive unwanted contact and your details may be used to find out more about you," it added. "You should therefore remain vigilant for any unusual activity."
I normally charge out at £40 per hour but for you, i'll charge a beneficial rate of only £10 per hour. Of course, that's 24/7 vigilance so if you'll just send me the necessary info. for billing and the first weeks payment, and weekly thereafter, in advance that'd be great, thanks.
On the brightside, at least the Lib Dem breach didn't affect any sizeable number of people.