I am a sucker for labor-saving gadgets. I found this on a site I patronize called The Grommet: Unique Gifts & Innovative Products by Makers. Here is the description: "Eyeglass Cleaner By Peeps, No Cloths, No Wipes, No Sprays, No Alcohol, No Mess. All-In-One Lens Cleaner for Eyeglasses and Sunglasses". It is compact and efficient and fun to use. So much easier than spray that dribbles onto the floor. It is good for 500 uses, then you can replace the little pads. I'm not quite sure why a carbon-based product does a better job of cleaning fingerprints and smears. I'm just glad it does.