Referral Programs: Dropbox Strategy

How Dropbox Grew 3900% in 15 Months

2008: Dropbox has 100,000 users. They're spending $300+ to acquire each customer through ads. They're going broke.

2009: They launch a referral program.

Result: 2.8 million users in 15 months. 35% of daily signups from referrals. They permanently solved their growth problem.

Here's exactly what they did.