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Referral facts & stats

7 fact-checked facts about referral programs and word-of-mouth growth, each with the reason behind it. 5 more are in today's round and join this page after it closes.

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The basics

What does a referral program reward customers for?

AnswerRecommending a product to people they know

Referral programs encourage customers to spread the word.

What does a two-sided referral reward mean?

AnswerBoth the referrer and the new customer get a benefit

Rewarding both sides motivates sharing and signing up.

Going deeper

What does a viral coefficient above 1 mean?

AnswerEach user brings in more than one new user on average

A K-factor over 1 means growth can compound on its own.

What did Dropbox's well-known referral program offer?

AnswerExtra free storage space

Dropbox gave both parties bonus storage for successful referrals.

In marketing, what does attribution mean?

AnswerCrediting a sign-up or sale to the source that drove it

Attribution shows which channels or referrers work.

Expert level

How is Net Promoter Score calculated?

AnswerPercent promoters minus percent detractors

NPS subtracts the detractor share from the promoter share.

What does UTM stand for in UTM tracking parameters?

AnswerUrchin Tracking Module

UTM comes from Urchin, the analytics company Google acquired.

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