Everything new is old again
No doubt you've seen this:
But if it were 1972, you'd be seeing this:
David Ogilvy summed it up this way in his book, "Ogilvy On Advertising":
When you don't have a story to tell in your photograph, make your product the subject of your illustration.These are about as literal as interpretation as you can get of that dictum without just showing the product alone. But along with drawing your eyes to the product, the silhouettes in both ads actually contribute to the emotional benefit that underlies the desire for both products.