Last week we talked about the importance of updating your router's firmware to avoid a nasty flaw, but the files on your computer are vulnerable even with the latest firmware because no security system is perfect. That's why this week's topic is backup. In Short Circuits: TechSmith has a new version of Camtasia. Although I haven't yet had time to review it, the update appears to be a good one. A popular game is being advertised as available for Android devices even though it isn't. There's a profit motive behind the scam. Adobe is working on a new project called Rush that might make video editing more accessible to everyone. In Spare Parts (only on the website): Inventors are examining ways to allow highways to create the electricity needed for nearby devices. • Workers say that they're generally optimistic about artificial intelligence, but feel that the technology needs to be controlled by law. • Three-D printing has been around for a while and now the latest thing is 3D scanning.