Do you have a favorite TV advertising slogan?

I like the catchy slogan for Mars Bars, even though it's really old and goes back years and years when it first came onto the screen I can still remember it even now! a mars a day helps you work, rest and play! Great little jingle with it too, catchy, memorable and synonymous with mars bars! Although I haven't eaten a mars bar for years now, I still remember the slogan.

I like Macdonald's "I'm Loving it"!. Or MobileOne's Slogan "One life, Live it!". I am sure there are more, just cannot think of all of them at the moment.