A look at serialized story services like Amazon's Kindle Vella, as combined IAP revenue of top 7 services grew an estimated 50% YoY to $12M/mo. in May and July (Todd Bishop/GeekWire)

Todd Bishop / GeekWire:
A look at serialized story services like Amazon's Kindle Vella, as combined IAP revenue of top 7 services grew an estimated 50% YoY to $12M/mo. in May and July  —  - Amazon's Kindle Vella spotlights the growing market for episodic stories, designed for mobile devices, unfolding as larger narratives over time.