Chapter 1
Application: These functions could be used to make an interactive map for someone that has never visited Delaware before. In order to do it, I would need data about locations in Delaware that may be visitor-friendly and pictures of each of the locations. With that information, I could make a map like this one that could be used as a visitor guide.
Chapter 2
Application: This could be used in a very similar way: to show populations in counties in Ohio. This would require data on all counties, including past data in order to show growth, but would be a possible and useful way to use this chapter.