The Facebook Ad Library: Your secret tool to spy on your competitors

More advertisers than ever rely on Facebook to promote their products and services to their customers. Over 10 million businesses advertise on Facebook and Instagram, and that number has nearly tripled over the past seven years.
Some veterans of Facebook advertising remember a time when costs on Facebook were cheap and ROI was unlimited. While Facebook advertising is still a really worthwhile investment for most businesses, the constant influx of new advertisers is pushing costs up and making the network more competitive. Last year, in 2022, Meta announced that CPMs on Facebook Ads increased by 18%!