http://www.engadgetmobile.com/2007/09/05/planet-earth-now-home-to-four-billion-phone-lines/ Engadget Mobile Comments for Planet Earth: now home to four billion phone lines http://www.engadgetmobile.com/media/feedlogo.gif http://www.engadgetmobile.com en-us Copyright 2008 Weblogs, Inc. The contents of this feed are available for non-commercial use only. Blogsmith http://www.blogsmith.com/http://www.engadgetmobile.com/2007/09/05/planet-earth-now-home-to-four-billion-phone-lines/http://www.engadgetmobile.com/2007/09/05/planet-earth-now-home-to-four-billion-phone-lines/Sep 5th 2007 6:55PMhttp://www.engadgetmobile.com/2007/09/05/planet-earth-now-home-to-four-billion-phone-lines/http://www.engadgetmobile.com/2007/09/05/planet-earth-now-home-to-four-billion-phone-lines/Sep 6th 2007 12:39PM