Welcome to the era of Google and Facebook. 

Product managers have had to  learn to live in a world that is dominated by these firms. They control  what the users of their applications see. Their algorithms determine  what their users see in addition to all of the information that they are  getting from friends and family. What product managers need is a better  way to update their product development definition in order to get in  contact with their potential customers. 

Should we start to use email once again?