This document provides an introduction to Salesforce development including CRM modules, cloud computing, Force.com platform architecture, Apex programming language, triggers, and Visualforce. It discusses the need for CRM in businesses, standard CRM modules and flows, introduction to concepts like SaaS and PaaS. It also summarizes Apex constructs, data types, classes, exceptions, Apex as web services. Visualforce topics covered include controllers, page blocks, forms. Contact details are provided at the end.