Description of methods of a collective/social application with the use of technical components, in which a fire warning system can be installed in a manner separated according to buildings using the mobile Internet and/or telephone connections, to locate persons who are potentially in the house in a fire, early warning of persons in the building, information for persons who are not usually in the building, and multiple communication variants between emergency workers and persons in and outside the house and a display for emergency workers about persons who are certainly or presumably or certainly not in the building and the spread of a fire.
