August 2026 Summaries

Rich Communication Services (RCS) enables businesses to send branded, interactive messages with rich media, suggested replies, action buttons, delivery and read indicators, and verified business profiles, making it possible to turn notifications into more actionable customer experiences. Its expanded support on iPhones alongside Android has increased its relevance, but availability and features still vary by device, carrier, market, and messaging provider, requiring capability checks, testing, and fallback options such as SMS. RCS is most useful for interactions with clear next steps, including delivery tracking, appointment management, product discovery, ecommerce updates, travel information, and customer support, where it can reduce the need for customers to search, log in, or navigate elsewhere. SMS remains better suited to broadly delivered, simple, and urgent communications such as authentication codes, while channels such as WhatsApp may better support sustained two-way conversations. Effective RCS use depends not only on rich features and sender verification but also on relevant content, clear context, respectful messaging practices, and avoiding unnecessary notifications; its value lies in reducing customer friction rather than replacing SMS universally.

Notification fatigue occurs when customers receive repeated, irrelevant, poorly timed, or duplicative messages and gradually begin ignoring, disabling, or unsubscribing from communications, including those that are genuinely important. It often results from separate teams independently approving marketing, product, support, and transactional messages without considering the customer’s total cross-channel experience. Rather than relying on arbitrary send limits, organizations should evaluate each notification’s purpose, timing, urgency, relevance, expected customer action, and incremental value, while prioritizing critical communications such as security alerts, verification codes, service outages, and delivery updates over lower-value promotions. Effective management includes auditing all messages, coordinating communication calendars across teams and channels, preventing duplicate sends, batching non-urgent updates, using behavioral or contextual timing, making opt-outs easy, and applying customer-level frequency caps that allow urgent messages through. Useful measures include opt-out rates, engagement decay as message frequency rises, critical-message open rates, cross-channel duplication, time since the last contact, and conversion per additional message, since increasing volume can create a feedback loop of lower engagement and further overmessaging.