Apparently the fear of leaving hair-straighteners turned on is a widespread phenomenon. My wife certainly suffers from it to a ludicrous degree: pretty much every time she uses them there will be a phone-call or a return home to ensure that the things are indeed off. To limit my frustration, and to mitigate the risk that she ever does leave them turned on I’ve created didmicheleleavethestraighteneron.com. Not only does it let her monitor the state of her straightener, but if she should ever leave it on, she can turn it off remotely. Thank you Z-Wave