The main idea of the 24HOURS competition is to solve the particular problem of the development of the tourism economy in the city of Lodz. Students of universities and high schools all over the world, open-minded people representing all scientific disciplines are invited to join the competition. Please, remember that any faculty or department can be represented by only one team, including four students (master students are suggested) and one tutor (PhD candidates are recommended). We will meet together in Lodz in Poland on Friday 14th November and take 24 hours to find a solution for a problem of the tourism economy in the city. General description of the problem will be announced soon. Detailed description of the task will be presented during very first minutes of the 24HOURS competition.