GrowthBook

Your experiments showed +5%, +3%, +7% wins. But did they actually add up to +15%? Spoiler: Probably not. Airbnb found naive sums overstate impact by 2x. New in GrowthBook: ✨ Holdouts ✨ the gold standard for measuring what all that shipping ACTUALLY did to your metrics: https://lnkd.in/ggJ6uczu

Only one snapshot so far — the engagement-over-time curve appears once the daily scrape has captured this post at least twice.