F. That was the grade Grace Bunde and Kwame Warrick received on the first eight-hour quiz of Zip Code Wilmington’s three-month curriculum. The two bonded over their failure, but it also left questions ...

In the era of Big Data, your zip code is a window into what you can afford to buy, but it also reveals how you spend time—and, in essence, who you are. That's according to software company Esri, which ...