This document discusses smart phones, who uses them, and their advantages and disadvantages. It notes that smart phones integrate PDA and mobile phone functions, and are used for tasks like financial transactions, education, manufacturing, professional services, medicine, and recreation. Some advantages are organization, access to information and company data, communication and multimedia. Disadvantages include limited text entry, smaller screens, and reliance on carrier coverage. The conclusion states that smart phones have become lifestyle devices that provide constant internet access, allowing users to multitask on the go.