"In these new consumer electronics devices based on new chips, there's always the question of what yield will you get out of the manufacturing process of the new chip. We're getting a little less, but not much less than the yields we expected, and we know that the yields we expected will probably outrun supply."
http://www.next-gen.biz/index.php?option=com_content&task=view&id=1827&Itemid=2
http://www.next-gen.biz/index.php?option=com_content&task=view&id=1827&Itemid=2