Seas and Oceans. How many lives finished on the sea? On discoveries period, when all countries from Europe had the ambition to know the World, men went to sea... and some never came back. The seas and oceans make the link between different cultures of the World. They are the habitat of many animals and, based in some scientific theories, the life started on the water.

Internet. Maybe the biggest development of the century. A global web that connects computers from all points of the World. Never was so easy to find information so diversified in one only media. We can do everything: read the today's newspaper, help to solve some problems, put questions, dialog (text and voice), get recent software, etc.. Everything is possible on Internet. The most popular service of Internet is the E-mail (Electronic Mail) maybe because we can send messages (and annexed files) in few minutes.

Music. It's possible to transmit a message, feelings and images using music. Musical sounds can give an idea of space and time, the lyrics one message that we learn easily.