Apple's new CEO unveiled the latest iteration of the iPhone this morning, and while it will get gadget-lovers' hearts beating faster, it also brings the challenge of what to do with millions of soon-to-be-outdated phones.

Apple's new CEO unveiled the latest iteration of the iPhone this morning, and while it will get gadget-lovers' hearts beating faster, it also brings the challenge of what to do with millions of soon-to-be-outdated phones.
