Summary
Facebook's carousel ad format, previously for link ads, now supports mobile app install and engagement ads. Advertisers saw 30-50% lower cost-per-conversion and 20-30% lower cost-per-click compared to single-image ads. Creative examples include foodpanda's 180% CTR increase and 39% lower cost per install, MINI's virtual tour, Neiman Marcus's 3X more conversions, and MVMT Watches' 75% higher CTR.
An optional optimization feature increased CTR by 12%. The format is available now via the ads API.
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