Habit of using others

It is very easy for all of us to find people in present world who only remain interested in using others. These kinds of people can go to any extent to for solving their own problems. For these kinds of people general people only remains as part of some experiment. We all can easily find large numbers of such example around us. It is important for every person to save himself from such people because they cannot do any good to us, however they can do lot of harm to us. Though, it is not a good thing to use people, however, this trend is very much present in our society and some people are really masters in using others for their own benefits.