Thinking about a new computer? Selecting Windows, MacOS, or Linux is the first decision, but there are lots of others: Desktop, notebook, tablet, or convertible? How much CPU power? How much memory? We'll step through some of the choices. In Short Circuits: Once you've purchased a new computer, what will you do with the old one? Adding it to a landfill is the worst possible choice, but there are several good options. If you listen to music on a phone or tablet, there are ways to improve the sound. In Spare Parts (only on the website): On-line trust is fragile and organizations suffer when people have doubts about the security of their personal information. • Adobe Audition and its initial incarnation, Syntrillium Cool Edit, have been around for 25 years and the application continues to improve.