William Playfair, the father of data visualisation, changed the way we understand information. His bar graphs, pie charts, ...

Pie charts are one of the simplest ways to visualize information. Their structure is based on simple logic: The largest piece of the pie should begin at the top of the circle, and the values should ...

Rosé and Bruno Mars maintained a double crown on this week’s Circle charts, with their hit collab “APT.” continuing its reign at No. 1 on both the streaming chart and the global K-pop chart.