"It's a basic, core issue of standards for working people, " said Mr. Rhomberg, who studies labor markets.

WSJ: Christie Vetoes Bill to Raise Minimum Pay

Andrew Rhomberg, from book discovery site JellyBooks, talked about how they use data to help people discover books.

FORBES: IfBookThen Stockholm: It's All About The Data

As Rhomberg points out, the oldest data-driven discovery tool is the bestseller list, but that relies on mass popularity whereas JellyBooks has data-driven approach which is unique to each person.

FORBES: IfBookThen Stockholm: It's All About The Data