If your computer is a few years old and you'd like it to be faster, the right change may no longer be to add RAM. Instead, maybe it's time to consider a solid-state disk drive. In Short Circuits: Now would be a really good time to confirm that your browser is fully up to date. That's true for any browser, but this week it's particularly true for Chrome. Microsoft is beginning to bad-mouth its own Office suite in an attempt to convert users to Office 365. The scourge of Robocalls continues to worsen, primarily because of inaction by the Federal Communications Commission, so we have to be vigilant about calls we receive. In most cases, it's not difficult to identify scam calls. In Spare Parts (only on the website): When you need to share a file, Firefox Share from Mozilla is ready to help even if you don't use Firefox. • Avast says your computer is in danger and, although they overstate the threat, a threat does exist. • Adobe's update to its experience design application (XD) this month includes a lot of worthwhile features.