Verizon Wireless traces its roots to several mobile companies that merged in the late 1990s, including Bell Atlantic Mobile and NYNEX Mobile Communications. The Internet is a global network of interconnected computer networks that use TCP/IP and link billions of devices worldwide. An internet service provider provides access to the internet via various connection methods. Communications satellites are used for telecommunications by providing wireless connections for mobile and fixed services where other technologies are not practical. Meteorology involves collecting weather data from stations and satellites to analyze weather patterns and forecast conditions.