Which digital marketing innovation led to the largest single-year increase in religious text sales in the 2010s?

In the digital age, religious publishers have embraced innovative marketing strategies to reach new audiences and make ancient wisdom accessible to modern readers. This poll tests your knowledge about a groundbreaking digital marketing campaign that transformed how religious texts are perceived and consumed in the contemporary marketplace. Can you identify which campaign created the biggest impact on religious book sales in the past decade?

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

YouVersion's 'Bible App' with personalized daily verse notifications and reading plans
Audible's 'Sacred Listens' campaign featuring celebrity narrations of religious texts
HarperCollins' 'Ancient Wisdom for Modern Problems' social media campaign
Oxford University Press's interactive timeline visualizations of religious historical developments