Adobe Photoshop's Neural Filters have been in place for about six months and more will probably be added at or before this year's Adobe Max. These are tools that can perform effects that are close to magic. In Short Circuits: As important as diagnostic utilities are for figuring out what's wrong with a computer, sometimes lower-tech tools help, too. Sight, sound, and smell can provide early warnings about problems. • Continuing that low-tech line of thought, being comfortable when using a computer depends on things we rarely give much thought to. In Spare Parts (only on the website): When spaces between the keys on a keyboard fill with junk, you can pull out the keys and vacuum the space below, but there's another option you may not have considered. • A shortage of computer chips will result in more dirty dogs, fewer new automobiles, and a variety of other unanticipated and seemingly unrelated problems. • Twenty years ago: Linux was one of the featured products at the 2001 edition of PC Expo. I was preparing to attend what would be the last of the big shows.