a snippet on the BBC TV News today was saying that Apple have had to admit that their phones s l o w d o w n   a s   t h e y a g e

deliberately, by design.

to preserve battery life (in the face of diminishing capacity) is quoted as the reason, but do we fully believe them?

And I noticed that second hand shops have far more iPads than Samsung. I thought it was because Apple evangelists are first adopters, whereas Samsungers buy to keep. Do I read that right?