This document provides 5 tips for startup marketing:
1. Observe customers to understand what they like and don't like
2. Listen to customers to gather feedback on the service
3. Use the right marketing channels which are low-cost, easy to implement, trackable, and scalable such as Google Adwords, Facebook ads, and display networks
4. Start tracking lifetime customer value from the beginning to understand costs and revenues over time
5. Know what rate of growth is sustainable to balance investor and customer satisfaction.