Spring is in the air but gunk is in your gadgets. There are spots and crumbs you can see and the shady crawly bacteria that you can't (and would rather not). Studies have shown that infection causing E coli and Staphylococcus aureus, fecal matter (yep), and simply dirt depends on your technique.
It may make you want to dunk everything in a bleach ink, but it wouldn't. It's not the best thing for you or your units. Instead, you take some microfibre cloths, Q-tips, distilled water, isopropyl alcohol and dishwashing detergent and read our guide to get your gadgets to become shiny ̵1; after you loose or extinguished, of course.