Never stop testing, and your advertising will never stop improving.

Many manufacturers secretly question whether advertising really sells their product, but are vaguely afraid that their competitors might steal a march on them if they stopped.

Study the methods of your competitors and do the exact opposite.

Advertising is the place where the selfish interests of the manufacturer coincide with the interests of society.

What you say in advertising is more important than how you say it.

Never stop testing, and your advertising will never stop improving. Testing was used in advertising decades ago. The internet has made testing so easy that every online marketer can use it to improve advertising results. Google content experiment is a free tool for you to do split testing.

The headline is the 'ticket on the meat.' Use it to flag down readers who are prospects for the kind of product you are advertising.