Extra posting by do hyeon Kim

1.     It is estimated that world's supply of oil will run out within about 50 years. What consequences may it have on our society?

-      If the oil supply disappears, the environment will improve. But we will have the fuel problem of the most common transportation means. In addition, disruption of oil supply will cause massive losses to industries that use oil as an energy source. We will have to develop resources to replace oil. For example, we should try to activate solar energy generation, bio energy, and renewable energy.

2.     If the current rich countries are aging, and their population will decrease, how can it affect the world society in few decades?

-      It causes the world's economic decline. Aging lowers the efficiency of work and serves as an obstacle to the development of the economy. Decrease in birth prevents the production of a new economically active population. If the economic activity is carried out only by the people with low efficiency, it is inevitable that the economy will decline.

3.     Has valentine’s Day commodified love?

-      Couples want to give each other special items on special occasions. Companies watch it carefully and then make and sell products that symbolize love. It can be seen as a commodification of love. In fact, there are many people who are not aware of the commerciality of the products.