They're different and I think it's always good to have something different. I think the whole philosophy of the engine and the KERS unit and energy storage is altogether another matter – but that's more for the engine group.
(Alan Baldwin – Reuters).
Mike, talking on the technical side about Williams. Since Mark Gillan left, how much has the team suffered from that and are there any plans for you to bring in another heavy-hitter to help you out and bounce ideas off?
No, I don't think so. As soon as somebody moves on there's always somebody younger and fresher who wants to take that place. Obviously change is something we try to avoid – especially with somebody of Mark's calibre – but at the moment, no, we don't plan to bring anybody else in.