Which innovative marketing campaign was credited with transforming 'The Purpose Driven Life' from a religious book to a mainstream cultural phenomenon selling over 30 million copies?

In the world of religious and philosophical literature, marketing strategies can make the difference between a book reaching thousands or millions. Publishers in this space face unique challenges - balancing commercial success with spiritual integrity. This poll explores a groundbreaking marketing campaign that transformed how spiritual texts are promoted and distributed in the modern era. Test your knowledge about this fascinating intersection of commerce and spirituality!

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The '40 Days of Purpose' church campaign, where thousands of churches participated in synchronized study programs
The 'Spiritual Bestseller' campaign, featuring celebrity endorsements from Hollywood stars who practiced Christianity
The 'Faith in Action' digital strategy, pioneering one of the first major religious social media campaigns
The 'Sunday Morning Revolution' campaign, which distributed free copies to every major church in America