24 lines
822 B
Markdown
24 lines
822 B
Markdown
---
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title: "Viral Loop"
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type: concept
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tags: ["viral", "referral", "network-effect", "growth"]
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last_updated: 2026-04-26
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---
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## Definition
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病毒裂变机制——通过推荐程序、分享激励和网络效应，使用户在产品使用过程中自发向他人传播，从而实现零成本指数级用户增长的机制。K-factor = 邀请率 × 接受率，K > 1.0 意味着指数级自然增长。
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## Core Components
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- **邀请机制**：内置分享入口，降低分享摩擦
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- **激励设计**：邀请人和被邀请人双方都获得价值
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- **接受率优化**：落地页体验、注册流程优化
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- **K-factor 追踪**：每次迭代后重新测量 K-factor
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## Source
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- [[marketing-growth-hacker]]（Marketing Growth Hacker Agent）
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## Aliases
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- Viral Growth Loop
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- Referral Loop
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- Self-Reinforcing Growth
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