TechSmith's Camtasia is an essential tool for anyone who creates how-to videos, online product demonstrations, video lessons, or presentations. The 2021 version adds some powerful new features. In Short Circuits: The second item in a series of articles on security takes a look at malware, adware, and other nasties, then suggests some protective measures. • Although the technology link might be a bit week, let's consider a television program that had time travel even before Doctor Who and still has a loyal following nearly 60 years after its last episode aired. In Spare Parts (only on the website): As we begin to shed some pandemic precautions, it appears that consumers want retail stores to continue delivery, online purchases with curbside pick-up, and other conveniences that became common in the past year. • Possibly another result of the pandemic is that now more individuals and families are budgeting income and expenses. • Twenty years ago: A new program called IncrediMail had just launched, and it represented a new way to send messages.