What would you get rid of to improve life in the 21st century?

In today's world, there are many things that we are not happy. The whole time we complain about something, what worries us. However, when a good think about it, we see that we spoil ourselves this world. Often, the inventions and strenuous effort take control of everything around you. The question is: what would I get rid of to improve life in the 21st century? For me the worst things in the world are violence so that is the first thing which I would get rid of to improve life. Violence is everywhere: at home, at school, at work. It is behaviour that demeans limited freedom, violates the rights and causes mental and physical suffering of another person. Contractor makes it a pleasure. Why? How can you derive satisfaction from observing someone's pain and fear? How abnormal tear brings joy? Is it human? No! Such a person should not be called human. The physical and psychological violence we face every day. Sometimes we do not realize when we are its witnesses. Reflecting for a moment, we can see how often we see that someone is bullied, teased. Sometimes simply unpleasant word for someone can make him suffer. The person most wronged no one to turn to for fear of ridicule. Physical abuse often affects the most vulnerable, who do not stick to a particular group, because they are easier to hurt them. The perpetrators know that they go unpunished, so often for a very long period of time persecute people. Physical abuse has many forms from teasing to serious or even beat kicks. This makes physical pain. I think it is worth considering whether in the same way it hurts psychological violence? , In this case the victims are weaker, but they can also be good students, and ordinary people are shy. Easily to heart them because of their nature they cannot defend itself against such aggression. Emotional abuse often takes the form of name-calling, ridicule. In my view, the two forms of violence hurt the same way. One undermines the body - one in mind. Both