David Nield writes: “Your laptop is going to pick up dust, grime, and fingerprints as you use it day to day—and not only does this make it less appealing to look at and work with but it also encourages bacteria to set up home on your portable computer and can reduce its lifespan. Like your bathroom or your car, it’s a good idea to regularly clean your laptop, and it’s not difficult to do. You may already have everything you need for the job, and if not, the necessary supplies can be sourced inexpensively.”