It's planned obsolescence, simple as that. There's no other reason to not have a detachable cable on the old magsafe chargers when the new one has it. I think a

It's planned obsolescence, simple as that. There's no other reason to not have a detachable cable on the old magsafe chargers when the new one has it. I think apple feel the pulse of the industry and choose what they can get away with, wwhat (my macbook w-key double pressing again) people will tolerate, until the competition catches up. Then they change the game a bit and produce the next "best iphone/imac/macbook" ever.