http://nerdapproved.com/cellphones/students-using-ringtone-adults-cant-hear/ Your source for preposterous products Sun, 22 Nov 2009 02:12:14 -0800 http://wordpress.org/?v=2.8.5 hourly 1 http://nerdapproved.com/cellphones/students-using-ringtone-adults-cant-hear/comment-page-1/#comment-15099 Nerd Approved - News and Reviews - » “Kids Be Gone” Teen Repellant Heads For U.S. Thu, 01 Feb 2007 04:26:23 +0000 http://nerdapproved.com/cellphones/students-using-ringtone-adults-cant-hear/#comment-15099 [...] You may have heard about the infamous “mosquito” tone that is annoying to teenagers but often goes completely unheard by adults due to a phenomenon called “aging ear.” [...] [...] You may have heard about the infamous “mosquito” tone that is annoying to teenagers but often goes completely unheard by adults due to a phenomenon called “aging ear.” [...]

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