Absolutely nothing, after about a year every one of them starts to break into pieces (and they also tend to stick like a gum). I've been using iPhones since the

Absolutely nothing, after about a year every one of them starts to break into pieces (and they also tend to stick like a gum). I've been using iPhones since the 3G. Now, I'm buying only cables not made by Apple. I think they're biodegradable and something triggers that faster, but I don't know what.