It’s easy to overlook the one step that can eliminate frustration with a computer and make the device more rewarding to use. Operating systems and applications can be modified so that they work the way you want them to, but it’s up to you to do the modifications. In Short Circuits: If you empty the Recycle Bin immediately after deleting files, or if you never empty it at all, you’re missing an important benefit. It takes only a minute or two to implement a change that picks the middle path between those two extremes. • When you’re looking for a particular type of entertainment on Netflix, you’ll probably get faster results if you use a category ID number. It’s easy to find the codes. Twenty Years Ago (only on the website): Until late 2003, moving from one cellular service to another meant that you would have to change the phone number. Portability finally arrived.