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.
David OgilvyIt takes uncommon guts to stick to one style in the face of all the pressures to 'come up with something new' every six months. It is tragically easy to be stampeded into change. But golden rewards await the advertiser who has the brains to create a coherent image, and the stability to stick with it over a long period.
David OgilvyThe success of a meeting often depends on having the right documents - proofs, artwork, schedules, research charts, etc. - present at the start of the meeting. All too often we arrive like plumbers, leaving our tools behind.
David Ogilvy