Landlines Become Outdated as Americans Go Cellphone-OnlyLandlines, like black-and-white televisions, are becoming symbols of a generation that has gone by in the United States.Friends Read FreeSaveLandlines becoming outdated? US President Barack Obama talks on the phone with Astronauts aboard the Space Shuttle Atlantis, while on a mission to repair the Hubble Space Telescope, from the White House in Washington, May 20, 2009. (Saul Loeb/AFP/Getty Images)By Helena Zhu4/22/2011Updated: 10/1/2015Print