https://isource.com/2011/08/22/iphone-4-and-iphone-3gs-found-to-be-best-selling-smartphones-in-us/ #1 Source for iPad, iPhone, iPod, Mac and AppleTV Tue, 23 Aug 2011 02:23:53 +0000 hourly 1 https://wordpress.org/?v=5.4.6