This pin might make you an easy target. Many people have difficulty selecting and remembering a passcode, especially when it involves four-digit pins. But if you plan to default to something as easy ...

Nick Berry, president of the data mining consulting company Data Genetics, recently wrote a blog post about how easy it to guess a person's four-digit PIN. Robert Siegel talks to Berry about his ...

The iPhone calculator is great for crunching numbers in a pinch, but you can also use it to have some fun with your friends and family. Here are some cool calculator tricks you can use to find someone ...