As the number of digital images we accumulate increases, possibly at an alarming rate, finding one specific image becomes challenging. Artificial intelligence can help. In Short Circuits: Device drivers are among the most problematic issues for Windows users, but they're virtually invisible and that makes keeping them up to date difficult. There are applications that can help, but they need to be treated with care. • Although a bad device driver can cause a problem with keyboards, sometimes the keyboard just fails. Microsoft wants more than $100 for their keyboard cover that fits on Surface Pro tablets, but a third-party keyboard for half that price offers a lot of useful features. In Spare Parts (only on the website): Mozilla has begun offering a virtual private network. It's currently limited to Windows computers and both IOS and Android mobile devices in six countries, but more devices and countries are coming. • Two mechanical dogs are wandering around a Ford plant, helping engineers to collect data for a planned retooling. • Twenty years ago: Bluetooth devices were just beginning to be sold. They were expensive and had security flaws. Now it's hard to find a device without Bluetooth built in.