If you receive a PDF or other digital file that requires your signature, you can easily do so using your phone. Whether you use an iPhone or an Android phone, both include built-in options for adding ...

Want to add your signature to a document without a third-party app or service? As it turns out, it’s built into iOS with the Markup feature. Here’s how to sign documents on iPhone and iPad in just a ...

Mike Sorrentino is a Senior Editor for Mobile, covering phones, texting apps and smartwatches -- obsessing about how we can make the most of them. Mike also keeps an eye out on the movie and toy ...