This document discusses the role of information technology in our daily lives. It begins by defining information technology as the application of computers and telecommunications to store, retrieve, transmit, and manipulate data. It then provides examples of how IT is used in education, jobs, communication, healthcare, agriculture, and business. Specific applications discussed include online learning, teleconferencing, medical imaging, GPS, e-commerce, banking, and government initiatives like Aadhaar. Both advantages like globalization and cost-effectiveness as well as disadvantages like privacy issues are reviewed. The conclusion is that while IT has some disadvantages, it has overwhelmingly benefited mankind and helped unite people globally.