Why it all started?
In the beginning, the practice of working from home was adopted by companies because it was supposedly a convenient and cost effective solution for both employers and employees. IBM itself had declared that due to its working from home program they had saved millions of square feet of office space, and millions of dollars too. The advent of technology enabled people in certain roles to perform their jobs, or at least part of them, from the comfort of their homes. This gave employees a lot of flexibility and arguably also increased their productivity, although in reality we can find studies in support and against that practice. If you look at the foundations of the idea of working from home, you will find it is tied to the age old idea that humans want