Internet in the United States Internet in the United States The Internet in the United States grew out of the ARPANET, a network sponsored by the Advanced Research Projects Agency of the U.S. Department of Defense during the 1960s. The Internet in the United States in turn provided the foundation for the worldwide Internet of today. Internet access in the United States is largely provided by the private sector and is available in a variety of forms, using a variety of technologies, at a wide range of speeds and costs. In 2015, 97.5% of Americans were using the Internet, which ranks the U.S. 4th out
Non-Internet email address which host or mail system they were on. Addresses of this type were used in a number of early email systems, including: Some email address schemes described the "path" through multiple hosts needed to deliver email. This worked well only if the first host given in the path was sufficiently well known for the sender's system to be able to contact it. Hierarchical addressing schemes are naturally able to expand. The modern Internet email address (e.g. "john.smith@example.com"), is of this type - but it was also used by a number of early systems, including: In this type of system, there