Apple wants your used iPhone 4S, spares up to $345 for it
23

Now that a new iPhone is coming in September (or at least we believe it is), what are you going to do with your used iPhone 4S in case you want to get the new model once it is out? Let's see: putting it up for auction on eBay seems to be a logical solution as a great number of potential buyers are ready to give generous amounts of cash for it. There's also Gazelle, which is willing to give up to $277 for your "old" smartphone. Or you can simply be nice and donate it to your cousin who has been asking for one since last Christmas.
source: Apple via TechCrunch

Apple wants to recycle your used iPhone 4S
Things that are NOT allowed: