We understand the world through technologies. When Galileo invented the telescope, the Earth was no longer the center of the universe. Similar things have happened with photography, the Internet or the mobile phone; And it will happen with virtual reality and artificial intelligence, although, currently, we do not believe it. Thanks to technology, we can see images of the most remote places in the world with a simple touch of scrolling the screen, listen to the sounds of the entire planet, our mobile devices have biometric techniques for facial recognition and there are even machines capable of understanding how we feel. But what does technology know about the aroma of the coffee we eat for breakfast, the smell of the wind blowing through a lush forest, the stench of a sewer or our most intimate aroma, our own body perfume? Today technology reigns supreme, there is no doubt that digital is increasingly merging with the world physical and with human beings through cybernetic implants, but: What does the technology of smell understand?