The longer we ran the test, the more apparent it was that next-day delivery was a real game changer—just not in the ways we thought. It didn’t affect retention—it affected sign-ups. Next-day delivery inspired real dedication, the kind that makes you tell all your friends about this new service you’re using. Over time, we noticed that our penetration into the Sacramento market was approaching Silicon Valley levels. Silicon Valley! Where all the early adopters of DVD technology lived!