This document provides 10 tips for startups to get out of their building and find customers: 1) Don't rely on friends/family, 2) Demo your product publicly, 3) Interview potential customers, 4) Locate your office near customers, 5) Host parties to meet people, 6) Talk to experts, 7) Find decision makers, 8) Listen to customer demands, 9) Use pre-orders and analytics to validate demand, 10) Ask others to introduce you to potential customers. The overall message is that startups need to engage directly with customers outside of their building to build the right product and validate demand.