source link: https://4thwithme.dev/blog/synthetic-customers-theory/ Picture a shop that sells colored and flavored toilet paper. Mint. Lavender. Bacon. You build a new "customers also liked" box. Offline, it scores well. You ship it to half the traffic. Three weeks later, the A/B test (a live split test) shows no difference. That is the normal story. This post is about a faster check: fake customers. Let them click on your box first. It is part 1 of 2. Part 1 is what the research says....