The document is a presentation about the Salesforce1 platform. It discusses the core services available, including Chatter, analytics tools, APIs, mobile services, and social APIs. It also covers how developers can use clicks and code to build apps on the platform, integrating business logic, user interfaces, and data models. Visualforce, Apex, and the various APIs allow access to all standard and custom objects. The presentation also provides overviews of how Heroku can be used for customer-facing apps and ExactTarget for marketing automation.