How Dropbox, Uber, Hotel Tonight and WealthFront leverage customer referals(adambreckler.com)
adambreckler.com
How Dropbox, Uber, Hotel Tonight and WealthFront leverage customer referals
http://www.adambreckler.com/how-dropbox-uber-hotel-tonight-and-wealthfront-leverage-referrals-to-create-an-army-of-growth-agents
But Dropbox should get credit for cleverly using referrals to give people more of a thing they want (storage space) rather then reducing a thing they don't want (cost). They were kind of forced into this when they onboarded tons of people into a free plan, so they couldn't reduce cost, but it's still clever.