We're all quite aware of how amazing our iPhones are, but they still continue to surprise us every now and again. One guitarist has posted a mesmerising video on YouTube in which he demonstrates how the iPhone 4 captures guitar strings as they are strummed.
The video isn't a true representation of the way in which guitar strings actually oscillate; instead, it's a fascinating example of how the effects that can sometimes be achieved with the iPhone 4's rolling shutter...