Which subscription-based platform was first to offer a specialized marketplace for religious and spiritual teachers to monetize their teachings through paid memberships?

In recent years, religious organizations have embraced digital transformation, including subscription models to support their communities and outreach. This poll tests your knowledge about how subscription models are being utilized in religious and philosophical contexts. Can you identify the pioneering platform that revolutionized how spiritual content is delivered to followers?

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Patreon (2013) - Initially focused on creators but quickly became popular with spiritual teachers
Insight Timer's Teacher Support Program (2019) - Built specifically for meditation and spiritual teachers
Substack (2017) - Originally for journalists but adopted by religious thought leaders
Teachable's Spiritual Marketplace (2014) - First platform designed for monetizing spiritual and philosophical content