Notifications simplify experiences for consumers by allowing brands to push out text, images, files, app fragments, and more based on real-time context. However, the only fully interoperable messaging available today is SMS, which has limited functionality, compared with platforms such as Apple's iMessage or Facebook's Messenger. Google is pursuing a fully interoperable standard in rich communication service (RCS), which would offer a comparable feature set, but many obstacles stand in its way. This report outlines the potential of RCS for digital business professionals.