Respond to feelings
A good campaign usually consists of different parts, including commercials. When we say commercials, you probably think about the 30 second films on TV, but it can be so much more than that. The main purpose is to either sell a product or service, or to change a behaviour or an opinion.
Advertising should have a measurable effect. So the goal of the campaign is important.
How to do this, depends on the product- The target audience and the platform for the campaign. Below are some examples of commercials as inspiration.