Imagine you got paid for telling your friend about an open apartment for rent in your building. Now imagine you got paid because you answered questions to a prospective renter (that you don't know) through an app on your phone, and that prospect went on to sign a lease. Rentgrata is re-imagining how we consider referrals in order to get apartments rented. Zach explains in detail how Rentgrata is helping landlords and some of the challenges they face along the way.