This document outlines 10 game-changing customer marketing tactics for increasing net retention rates to 140%. It discusses tactics like segmenting communications based on customer personas, creating experiential onboarding gifts, reinventing traditional upsell flows, gamifying loyalty and referral programs, and building an engaged customer community. The key takeaways are to focus on segmentation, experiential gifts, active upselling, community engagement, meaningful incentives, and championing a culture of customer marketing across departments. The ultimate goal is to generate word-of-mouth referrals, which can account for 30-50% of new customers with over $100M in annual recurring revenue.