The percentage of electronics at the end of their lives which were recycled.
The EPA found that the percentage remained consistent from 1999-2005. Even as recycling rates went up, the amount of electronics reaching end of life outpaced the increase, leaving the figure static. (source: EPA, July 2008)
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Yeah.. i more said the Android stuff as a half joke.
(BTW all things you listed can come in the way of a Software update i believe, especially if new hardware supported it more. Plus the tethering thing is policy and carrier, and can be circumvented by wifi tethering that is an inevitable application.)