Facebook is actually one of the few platforms (if not the only platform?) that allows running self-serve RCTs (conversion lift tests in their lingo): https://ww

Facebook is actually one of the few platforms (if not the only platform?) that allows running self-serve RCTs (conversion lift tests in their lingo): https://www.facebook.com/business/help/688346554927374 https://www.facebook.com/business/help/688346554927374 Conditional on them honestly reporting numbers, it's a pretty credible way to measure effectiveness in terms of incremental conversions you get by showing ads on FB/IG