International market where companies have more opportunities to sell their products in any country in the world and customers have more opportunities to buy products from all over the world. In international economy this is caled globalisation: the process by which companies operate in a lot of different countries all around the world. What has facilitated this process of buying and selling in the world market? One of the most important factors is that, over the past 20 years, there have been developments in new technology and in communication systems: thanks to the use of the internet, email, mobile phones and video conferencing, companies can comunicate 24 hours a day, 7 days a week. Also, improvements in transport and the reduction in restrictions to commerce ( taxes on import, for example) have given companies more oppoertunities in foreign markets and have contributed to free trade.