Have you ever turned your computer on and found that your carefully organized Desktop icons are all over the screen? If the location of Desktop icons is important to you, there's a way to glue them in place. In Short Circuits: Tablet and convertible computer users often close applications without intending to. There's a way to fix this, but it's not as easy as it should be. • If you're a Facebook user, you probably have the new interface by now. If not, it won't be long, and there's no way to go back to the old system. Or is there? In Spare Parts (only on the website): Maybe you read a book a few years ago and now you need some information or a quotation from the text, but you can't remember the name of the book. All is not lost. • Microsoft has found that underwater data centers have fewer system failures than land-based data centers. • Twenty years ago: I thought that computers were everywhere, but I had no way to foresee what was coming in 2020.