Have you ever been on the Carousel of Progress ride at Disney World? If you haven’t, I’ll give you a brief rundown. It follows a family over the years to demonstrates how our lives have changed with the advancement of technology.

Retail has its own “Carousel of Progress.” From discovering a few products on Montgomery Ward's earliest catalogs to browsing thousands of products with a click of a button, retail has changed drastically. And yet, there are certain key elements that remain almost untouched after all these years. These "timeless" elements of the product listing ad are still around today and probably will be for a long time to come.

Here’s a look at the 7 PLA elements that will (most likely) never go out of style: