Copywriting Tip: Sometimes a simple Before & After photo will explain an entire product without much need for copy.
For example, this simple advertisement for a charging device shows a 1-outlet device replacing multiple charging bricks:
You instantly understand the product.
Since that charging device is a PHYSICAL PRODUCT you can see, it’s easy to do a before & after of it. But if you sell a service you can show the after results of using your service, like these ads:
So instead of showing the service itself you show the RESULTS of the service.