4. The Bible
“The Bible,” “What does the bible say about?” “…in the Bible,” and “Bible Verses” were searched in hundreds of variations.
Even in a digital world, the bible is still the go-to source for religious answers. Yet the bible is more than just a resource for academic style faith questions. When a year passes and millions of people search for bible related terms, you can be sure the bible remains the most popular book in history.