While I never used the word slave, what are you talking about?
http://www.forbes.com/sites/kenrapoza/2012/04/04/u-n-shocker-chinese-workers-underpaid/
I'll have to repharse, not everybody is a worker (lowly paid) in China. I bet there would be somewhere around 9-10 million people in China who can afford an iPhone. That is a very significant number.