This is big data.

This is how Airbnb visitors judge location, which provides a view into where city centers begin and end.

Between 2009 and 2014, there were an estimated 17,968 visits to the emergency room for things stuck in a rectum. Here are those things’ stories.

Or, given your age, the percentage of fish left in the sea. Here’s a chart.

(This might look a little different for men and women.) …