A refrigerator, connected to the Internet? Today it seems interesting to few people, although it was implemented in 1998. But systems of automated information gathering and processing are effectively used nowadays. Sometimes in heavy climatic conditions, 24 hours per day, 7 days per week they serve people - in cash machines, in stores and supermarkets, in high-tech production, often in places where man just can't do such a job - measuring speed in pipe lines, checking energy consumption in residences, providing spectral analysis of gases and much, much more.