I tested users in person and correlated the insights with our metrics system in order to make the shopping experience easier. This testing in combination with adding more stores into Milk's network increased engagement and continued the high download rate as the app became available in more locations. But the disruptive approach Milk brought to the grocery coupon industry created many business model issues that required it to be slowed down.
In mid 2015 the Milk app was shut down in order for the company's efforts to focus on the chrome coupon plugin.