This document discusses key marketing concepts and strategies. It defines marketing and outlines the marketing process as identifying customer needs and developing products and services to meet those needs. The marketing concept of fulfilling existing customer needs while also satisfying new needs is explained. The roles and responsibilities of marketing managers are presented, including market research, developing marketing strategies and plans, managing the marketing mix, and measuring success. Current and future marketing trends involving social media, mobile, and location-based marketing are also summarized.