Got an old cell phone? Wondering what to do with it? From deep within the Carey Brothers' vault of little-known nifty info, we bring safety news you ought to know. Did you know that cell phones are still a valuable safety item? Even if they haven't been used for years, and they no longer connect to any service, by federal law they can be used for 911 emergency calls. So, if you've got an old cell phone, charge up the battery and give it to loved ones. It's a great comfort for your elderly relatives and it could be a life-saver for kids. And that's the On The House tip for today.