Which product innovation has most dramatically changed how religious texts are accessed in the 21st century?

Throughout history, religious practices have been supported by various products and innovations. From prayer beads to digital scripture apps, the market for spiritual tools continues to evolve. This trivia question explores an interesting development in the intersection of technology and religious practice that has significantly impacted how people engage with their faith in modern times.

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

Digital scripture apps with multiple translations, search functions, and audio features
Mass-produced pocket-sized printed religious texts with synthetic covers
Holographic projection systems for temple/church services
Prayer mats with built-in compasses pointing to sacred sites