I work for a retail app and can usually tell when we have or haven't been spending on FB ads when I check our usage numbers for the week. They do work but like

I work for a retail app and can usually tell when we have or haven't been spending on FB ads when I check our usage numbers for the week. They do work but like anything it's about choosing the right tool (platform) for the job. We wouldn't run ads on LinkedIn and B2B SAAS companies shouldn't advertise on FB/Instagram.