Similar to Carousel Ads, explained above, Slideshow Ads segment your ad into individual images that users view one after another. The difference between these two ad formats is that Slideshow Ads only play images (not videos), and the ad compiles these images into a slideshow that plays automatically in the form of a video. According to Facebook, Carousel Ads are ideal for:
Facebook is a meeting place for 20% of the worlds population. That’s 1 in 5 people. It is also the largest collection of data on the worlds population that ever existed in the history of humanity. It has data on its 2 Billion members and on anyone who uses the internet and visits a website that has Facebook tracking code… Whether you are logged in as a member of Facebook or not. The KEY Ingredients To A SUCCESSFUL Facebook Ad (Shopify Facebook Ad Tutorial)
This type of ad appears directly in a user's News Feed when they access Facebook on a desktop computer, and it looks more like native advertising. In our experience, these ads have a higher engagement rate than right column ads, but they can also be more expensive. These ads must follow organic Facebook posts best practices and be both engaging and visual. The Terrifying Cost of "Free” Websites | Adam Ruins Everything
Although ads in the News Feed are likely to get higher engagement metrics due to its native advertising features, right column ads shouldn't be forgotten. We often see less expensive clicks and conversions when using these ads. In order for a right column ad to be successful, it needs to be relevant, have a value proposition, a good visual, and have a call-to-action.