Google has officially entered a new phase of inbox intelligence. With the rollout of Gmail features powered by Gemini AI, the inbox is no longer just a place where emails arrive. It is becoming an AI-curated feed that prioritizes relevance, engagement, and perceived importance.For hoteliers, this shift represents more than a product update. It signals a fundamental change in how marketing emails are evaluated, surfaced, and consumed by guests. While traditional deliverability still matters, visibility is now determined by how much attention your emails earn.