Growth Loops: The Engine Behind Sustainable Growth Hacking Growth Hacking is a method of achieving rapid growth through creative, low-cost, data-driven experiments. The term was introduced by Sean Ellis around 2010. A Growth Hacker asks: "What is the fastest and most scalable way to grow users?" Instead of traditional marketing: Spend more money ➤ Get more customers Growth hacking tries: Creative idea ➤ Experiment ➤ Measure ➤ Scale Famous Growth Hacking Examples 1. Dropbox Referral Program Problem: Paid acquisition was expensive. Solution: Invite friends ➤ Both users receive extra storage Result: Massive user growth through referrals. 2. Airbnb Craigslist Integration Early growth tactic: Allow Airbnb listings to be shared on Craigslist. Result: Access to a larger existing audience. 3. Hotmail Email Signature Added: "PS: I love you. Get your free email at Hotmail" Every email became an advertisement. Growth Hacking Techniques Viral Loops Users bring more users. Examp...