The only usability advantage over a regular checkbox would be if you could copy and paste the ON or OFF state. but this solution you end up with "option ONOFF" on the clip board.<p>here is my solution, done when he first announced this gadget.<p><a href="http://github.com/gcb/iphone-style-checkboxes" rel="nofollow">http://github.com/gcb/iphone-style-checkboxes</a><p>feel free to fork it and implement his new spify animation.