| in Did You Know Facts
In London, England, pencil sales increased by 700% in 2008.
![pencil, Hemingway, lead, writing, ink, black, typed](https://assets.shortpedia.com/uploads/2022/09/28/1664361466.webp?tr=w-1200,h-600,cm-pad_resize,bg-F3F3F3)
Due to the popularity of Sudoku puzzles in 2008, pencil sales in London increased significantly.
Due to the popularity of Sudoku puzzles in 2008, pencil sales in London increased significantly.