This document discusses business messaging trends and forecasts. It finds that while mobile operators currently dominate business messaging revenues through SMS, over-the-top (OTT) apps like WhatsApp have much higher average revenue per user (ARPU) and represent a significant threat. The number of potential users for rich communication services (RCS) is growing but still lags SMS and OTT apps. Under certain forecast assumptions, WhatsApp revenues from business users alone could reach $10 billion by 2023 and surpass SMS ARPU by 2021, representing a major revenue opportunity that currently bypasses mobile operators.
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