growth hacking 8.0 9 min Referral Program Design: From Launch to 40% CAC Reduction Build referral programs that actually scale. Structure rewards, incentives, and tracking to hit your CAC targets and viral coefficients. March 18, 2026
growth hacking 8.0 10 min Community-Led Growth: From Zero to 5K Members Without Ads Grow a loyal community faster than paid ads. Discord/Slack tactics, seeding strategies, and the engagement loops that turn members into advocates. March 15, 2026
