Growth Hacking
Definition
Growth hacking is rapid experimentation across channels to find scalable, low-cost ways to grow. Focus on creativity over budget.
Extended Definition
Examples: Dropbox referral program (storage for invites), Airbnb Craigslist integration (piggyback existing traffic), Hotmail email signature (free virality). Growth hacking prioritizes: high-leverage tactics, rapid testing, data-driven decisions, unconventional channels. Not just marketing—involves product, engineering, data. Best for startups with limited budget but strong product.