Before we start, we should identify the parts of the business where IT is typically deployed. The purpose of IT is to make operations more efficient, allow for collaboration, automate simple aspects for cost reduction, protect business against disaster and more. The most important role that IT has in any business is as a worker interface. Most workers today work exclusively with digital systems and when they are deployed with purpose it can provide a standardized working experience where people can get more things done and collaborate more effectively.