What is Product Design?

I came across this article trying to explain why every company next hire should be a Product Designer.

What is Product Designer? Is it just a new or latest trend? Or is it a role that will stick around?

I can’t answer you that. But after reading this article, I notice that Product Designer is just a new role name with attributes currently required from existing roles such as Product Manager, Business Analyst, User Experience Designer and User Interface Designer.