On March 10, 1876, a revolutionary invention was created by Alexander Graham Bell. The telephone was invented to electrically send vibrations from one receiver to another (History.com "Speech Transmitted by Telephone", accessed March 11, 2014), and because Alexander Graham Bell accidentally discovered that he could hear the sound of a “clock spring”. twanging” (Marry Bellis, “The History of the Telephone,” accessed March 11, 2014), it was possible. The invention of the telephone enabled new levels of communication, allowed families to connect across the world, and improved military systems, but also had negative consequences, such as the violation of privacy. If two people wanted to have a conversation, they would have to write letters, but with the telephone, they could pick up the receiver, dial the number, and be connected within minutes. Telephones allowed long distance communication, which allowed families to converse despite their location. Military officials and soldiers were also able to stay in touch through field phones as well as with the president. Although telephones were initially placed in general stores or other large cities and in wired homes/neighborhoods (Elon.edu "World Changes Due to the Telephone", accessed April 2, 2014), telephones became commonly used in homes in the early 20th century. century when phones began to connect internationally. The telephone allowed two or more people to speak to each other through a receiver, rather than meeting or writing a letter. Instead of writing a letter and waiting days for another to come back, two people could pick up a receiver and communicate quickly and clearly. The telephone allowed people...... middle of paper ......rvices/library/wtcoll/verizon/pages/Timeline/tel_war/tel_war_tx.php>Matthew Carle. “Operation Ivy Bells” Military.com, Military Advantage, nd Web. April 18, 2014 “The Berlin Tunnel Operation Gold (US) Operation Stopwatch (UK)” coldwar.org, The Cold War Museum, nd Web April 19, 2014 < http://www.coldwar.org/articles/50s/berlin_tunnel.asp #bt2>“1946: First mobile phone call” Att.com, AT&T Intellectual Property, nd Web. May 1, 2014 “Mobile Technology Fact Sheet” Pew Research Internet Project, Pew Research Center, nd Web May 1, 2014Leah Schoelles. “Project Overview” schoelles.com, nd Web. April 23 2014