Ключевые слова: 30s, app, application software, at home, caucasian, cell, cellphone, central heating, close up, communication, connected, control, controlling, electricity, energy, heating, home automation, horizontal, indoors, internet, male, man, men, meter, mobile, mobile phone, one person, people, person, power, smart appliance, smart device, smart meter, smart technology, socket, technology, the internet of everything, the internet of things, thermostat, thiries, timer, turning off, turning on, wi fi, wireless technology,