Platinum and Iridium plugs perform at a lower level than copper spark plugs, because they are less conductive and they tend to overheat. However, the overall longevity of these two types of metal is better than copper plugs. In reality, copper has the best performance of all three and the worst longevity.
If a local restaurant, for example, used a celebrity's name or image in a commercial and implied an official endorsement, it could face an invasion of privacy lawsuit. This type of legal action is often taken against advertisers who morph the faces of celebrities onto other bodies to imply endorsement of a product.
As such, the photographs are in the public domain and the use of the same does not amount to invasion of privacy. This case is certainly an eye opener for many politicians, celebrities, models and socialites in Malaysia who are constantly in the eye of the public.