Lab // Topic / 5 articles
Growth Loops and ReferralsGuides, worked examples and a calculator for this topic.
Growth loops are systems where each new customer helps bring in the next one. Referral programs, invites and word of mouth all follow the same math as an epidemic, summarized by the K-factor. This pillar shows how to measure a loop, improve it and decide whether it can carry your growth.
What is a K-factor and how do you calculate it?
A K-factor measures viral growth: the number of new users each existing user brings in.
- Growth Loops and Referrals / 1 min read
How to build a referral program that pays for itself
A referral program pays for itself when the reward cost per referred customer is lower than the cost of acquiring that customer through other channels.
- Growth Loops and Referrals / 1 min read
How to forecast product adoption with the Bass model
The Bass model forecasts adoption with two rates: innovation, from people who buy on their own, and imitation, from people influenced by earlier buyers.
- Growth Loops and Referrals / 1 min read
CASL email marketing rules: a practical guide for referral programs
Canada's anti-spam law, CASL, requires consent before you send commercial electronic messages, a clear sender identity and a working unsubscribe link.
- Growth Loops and Referrals / 1 min read
WhatsApp referral marketing for Indian small businesses
WhatsApp is a practical referral channel for small Indian businesses because customers already share links and offers there.
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