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 ...

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 ...

Think back to the last time you created, edited, or opened a digital document — was it a week ago, yesterday, or perhaps just 25 minutes back? That's likely a testament to how integral digital ...