When you're building a business, you also have to build a strong network. If you're wondering how to build a network, then sometimes you can start it by visiting places that you did not imagine before.
So far, we only knew the only benefit of a calendar which is a tool to show us what date, month, and year we are living today. In fact, the calendar has a variety of functions that may not aware of before.
Technology is actually created by man to provide benefits and services to other human beings. It happens since the days of pre-historic man when they managed to find a variety of tools that allow them to process foods and construct various buildings.