People like to joke about incontinence when it happens to someone else, but for nursing staff or those taking care of the elderly it's simply another duty that must be managed. The SIM cycle system from Australian company Simavita makes things a little easier with text messaging. The system, which is now being deployed at nursing homes following successful clinical trials, involves a replaceable pad with electronic leads that detect moisture. Those leads are run to the SIM box, which sends a text message to the resident nurse when it's, uh, changing time. This should enable the staff to spend less time peeking in unsightly places and more time helping those who need it. Meanwhile,