Email, SMS, or push – which one should you actually use? Not every customer message needs to land in the inbox, and not every urgent update deserves a text. This practical guide breaks down how to match each channel to the moment, from time-sensitive offers and app reminders to detailed product announcements and customer updates. You’ll also get a simple framework for thinking about urgency, context, customer relationships, frequency, consent, and when it makes sense to use more than one channel.
