28 ways to grow supply in a marketplace — by Lenny Rachitsky, ex-Airbnb
Andrew Chen
JUNE 25, 2019
Question: What’s the simplest way you can test a referrals offering? Tactic #4: Run direct sales. The biggest gains in optimization don’t come from brute-force A/B tests, but from trying to understand the real barriers to people using your product. Long-term, measure the ROI to make sure it’s worth the time.
111 
Let's personalize your content