is a message that is made with the intention of letting people know about a product, fact, event or something similar.
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is a social network that was created to keep people in contact, so that they could share information, news and audiovisual content with their own friends and family.
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Thanks to it, anyone can enter the networks to search, with just a few words, for information they need, organize a vacation, shop or practically anything they can think of.
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is a device that allows to transmit sounds at a distance by means of electrical signals. It was invented in 1871 by Antonio Meucci, although the first to patent it was Alexander Graham Bell, in 1876.
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are structures formed on the Internet by individuals or organizations that are connected by common interests or values.