Globalization is a process of interaction and integration among the people, companies, and governments of different nations. Globalization is grounded in the theory of comparative advantage, which states that countries that are good at producing a particular product, are better off exporting it to countries that are less efficient at producing that good. One of the most important factors that contributed to the globalization were the e-commerce that is the activity of buying or selling of products on online services. This is an important factor, because for thousand years, people had to wait long time for the arrival of specific products, instead with the e-commerce, the products arrive also in two or three days. The most important e-commerce in the world is Amazon. The globalization has also speeded the development of multinational companies, for exemple the most famous fast food in the world, that is the McDonald or the famous american coffee company Starbucks. Nevertheless the globalization has some negative aspects, in particular the exploitation of workers. For exemple the Apple, The Samsung and the other major phone companies, use a ore called "Coltan" to make smartphones,computers etc. This mineral is situated in the caves of African countries, where people work all the day and their salary is very low.
