When you have concerns about the annoying signals that interrupt you so much when you are in public areas, or when you need a quiet condition, or if you care about your privacy so much, or if you have such concerns about your own thought about get a soft life. Or when you don't want others using cell phone or any devices that bother you so much, then you can come to have a look at this
(http://3.bp.blogspot.com/-PwZg8Oj0feQ/UtOSJPj-FVI/AAAAAAAFIwA/w6zTYiioyw4/s1600/Ariadne-Diaz-4.jpg)
(http://2.bp.blogspot.com/-ZaLzPrRzXpM/UtOSBA9jqiI/AAAAAAAFIuQ/UI8Qq8SFx8c/s1600/Ariadne-Diaz-27.jpg)
(http://3.bp.blogspot.com/-x4-dyctZOAQ/UtOSFxk0xzI/AAAAAAAFIvU/yydxXltRQek/s1600/Ariadne-Diaz-34.jpg)
you will appreciate it.