Through years, society has been divided in different classes: under class, middle class and upper class. Hierarchical distinctions have been mostly given by people's economical condition. In nowadays' society, we do not appreciate social classes, but have they really disappeared?We cannot deny that poverty exists. It is not necessary to pay a ticket to Africa; if we look around us we will be able to see that poverty is not just a problem of the Third World. Everybody has heard the phrase "a coin, please" while he/she was walking down the street. The ones that have not heard this, we adv...