They are adults with sufficient intelligence and education to know themselves and what they want. They're too smart for that. Just tell 'em what you've got and the benefits it offers. Keep it simple and keep it honest. If your ad offers a product or service that they find attractive or beneficial, they'll respond.
People respond less to an ad's size than they do to the number of times they've seen the ad.
This fundamental truth is demonstrated on virtually every TV show where viewers are bombarded repeatedly with the same ads they saw ten minutes ago, two hours ago, and two days ago. Repetition is the soul of advertising. As a result, buying many small ads is generally more cost-effective than buying relatively few large ads .