In the presents Information technology is everywhere. If you are going to the post office, you could use a PC to check all the data you need. At the railway station you are able to buy your ticket, also using dedicated device. Finally, if you are running your own corporation, most of the times, you must to use any kind of IT to improve your work. At the moment, mobile operators many of the times hires professional group of IT just to use their help with managed services. Android development is the most famous in Poland right now, so most of their works are linked with this system.