Phones and tablets have oleophobic (fingerprint-resistant) coatings that can wear off. So manufacturers generally recommend wiping them down with distilled water and a barely. Your headphones and earphonesare some of the things you keep closest to you. Though coated in sweat and wax (gross, but facts), they're likely traveling with you wherever you go. Your computer monitormight be the window to your world, but it's not an actual window, so no Windex. Instead, for LCDs, use a microfiber cloth. Because your laptop travels, it has plenty of opportunity to pick up unsavory characters. Turn your laptop upside down and (gently) shake out the keyboard to rid yourself of the biggest and most obvious invaders: dirt and crumbs. Then grab a can of compressed air. When you're with your normal household cleaning, you might stop in front of your television, spritz it with a glass cleaner, wipe it down, and move on. In the words of millions of.