Well, according to Uber's referral program copy, in theory, you're referring your "friends" to the service. Aka people you know, and people who probably wouldn'

Well, according to Uber's referral program copy, in theory, you're referring your "friends" to the service. Aka people you know, and people who probably wouldn't mind you knowing they signed up. So I can at least see why Uber (and other referral services in general) might not think twice about sharing small pieces of personal information with the referrer. Not saying you don't have a good point, though, because I agree.