A go-to-market model where the product itself drives acquisition, conversion and expansion, usually through a free tier or trial, self-serve signup and built-in sharing.
For software and digital products with fast time-to-value, broad audiences and natural reasons to invite others.
Dropbox's referral program giving free storage to both sides; Slack spreading team by team inside companies; Calendly links exposing every recipient to the product.
A strong engine for SaaS and digital tools with quick payoff. Flagged when a complex product with a long setup is forced into self-serve with no help.
