The document discusses Heroku Connect, a tool that enables seamless data synchronization between Salesforce and PostgreSQL for customer-facing applications, specifically in the context of Diageo's mobile survey app. It emphasizes the scalability, integration speed, and custom user experience of the application, which captures retail intelligence and leverages Salesforce as the authoritative data source. The presentation also outlines the benefits, architecture, and challenges faced during implementation, along with lessons learned from the project's development.