I don't know the rules of grammar... If you're trying to persuade people to do something, or buy something, it seems to me you should use their language, the language they use every day, the language in which they think. We try to write in the vernacular.
David OgilvyIt takes a big idea to attract the attention of consumers and get them to buy your product. Unless your advertising contains a big idea, it will pass like a ship in the night. I doubt if more than one campaign in a hundred contains a big idea.
David OgilvyThe most important word in the vocabulary of advertising is TEST. If you pretest your product with consumers, and pretest your advertising, you will do well in the marketplace.
David OgilvyAdvertising people who ignore research are as dangerous as generals who ignore decodes of enemy signals.
David OgilvyMost readers look at the photograph first. If you put it in the middle of the page, the reader will start by looking in the middle. Then her eye must go up to read the headline; this doesn't work, because people have a habit of scanning downwards. However, suppose a few readers do read the headline after seeing the photograph below it. After that, you require them to jump down past the photograph which they have already seen. Not bloody likely.
David Ogilvy