In these Quick Developing days every one is busy in his life no body have a much time for others, General merchant product save your time to serve to others and also to your guests on the way as well. Most of the people now a days just eat general product and serve his self with them like company made Products.
Some of other Product is also are over need of life which also companies can only produces like fire Lighter, Butane fuel refile, etc.
Developing process make human life so easy for him to get things. In few years later we cant get Easily Clothes, Wallets, small digital scales which production of industries make its quantity beater and quicker.