This document provides an overview of account intelligence and how it can be used for B2B marketing and sales. It discusses connecting first party data from CRM, marketing automation, and other systems to third party data sources to build profiles on accounts and contacts. This enriched data is then used across the buyer journey, such as identifying high intent accounts for advertising, providing sales alerts, and powering an account-based experience. The document also provides examples of how account intelligence data can be segmented into tiers to deliver personalized experiences to accounts based on attributes like firmographics, intent, engagement levels, and stage in the buying cycle.