Evolution of iPod's Click Wheel

While doing some research i stumbled on this gem. Cnet’s MP3 insider Eliot Van Buskirk has given a really nice run down on the historical development of the world most famous and un-ergonomic interface.
Talk about a bad design doing good. The over use of the iPod click wheel may causes repetitive strain injury (RSI) according to Carl Irwin, from the British Chiropractic Association. Caril said:

“This is a really serious problem. The action needed to move the wheel on an iPod is totally unnatural and effectively separates the joint in the thumb every time you use it.
“This causes inflammation in the thumb or fingers and can be very painful. We have also seen cases of iPod users where the problem has spread to their elbow and neck.”
Referred by usernomics

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