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If you have 20/20 vision or are still wondering why your parents have reading glasses, count yourself lucky. But if you're like many people—over 60 percent of the population by some estimates, including most people over 45—reading the tiny text on your iPhone or Apple Watch might be impossible if you don’t happen to have the right pair of glasses handy. What we really want is a screen that corrects automatically for its user's individual vision problems—research into such technology has taken place at UC Berkeley and the MIT Media Lab, but real-world products are probably years off. Until then,...

On the Mac, scroll bars are essential for both orienting yourself and navigating within a Web page or document window. But they may not appear unless you hover the pointer over the right spot or start scrolling with a gesture on a trackpad or a turn of a mouse scroll wheel. If that bothers you, go to System Preferences > General and under Show Scroll Bars, select Always. That way, scroll bars will always be visible without you having to guess where they are or perform some incantation to reveal them.(Featured image by Taylor Wilcox on Unsplash

Here’s the solution to a problem that clients have run into on occasion. In a workgroup that relies on Adobe Creative Cloud apps, one person might upgrade to the latest versions of Photoshop, InDesign, and Illustrator, whereas others don’t. Suddenly, if that person opens and re-saves a file in the new version, those using the old version may not be able to open it, or certain aspects of the file may disappear.Upgrading isn’t always possible—some people may have too-old Macs or not be running a new enough version of macOS. More commonly, however, the rest of the group is deep...