Apple and Google plan to allow their smart phones to talk to each other. The goal is to help with contact tracing for those who may have been exposed to COVID-19. It seems like a good idea, but it also seems doomed to fail. In Short Circuits: The creeps among us on the internet have shifted into high gear with links to bad websites and malware-laden downloads. If you've ever wished that you had a backup for your computer's protective applications, I have a suggestion. • Microsoft continues to work on the new Chromium-based version of the Edge browser. Now might be a good time to take a look. In Spare Parts (only on the website): The lowly Windows File Explorer has some hidden tricks that can make file management easier. • The market for wearable health devices is seeing explosive growth that isn't expected to end anytime soon. • Twenty years ago: Kodak was desperately seeking relevance in a world where film was becoming irrelevant.