Airbnb 1. This site facilitates vacation rentals between peers and has grown into a billion-dollar business. 2. It initially used a powerful email campaign in the first growth-hacking stage which boosted the site to the next level.
3. But the next brilliant move on Airbnb’s part involved Craigslist spam. 4. Airbnb used Craigslist to find listings of houses for rent and reached out to the renters to ask them to place their ads on Airbnb instead. 5. The power of tapping into another already-existing network earned them thousands of users and it completely went viral.