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 ...

Add Popular Science (opens in a new tab) Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. Get the Popular ...

Instead of turning toward a fax machine or snail mail to put your John or Jane Hancock on the dotted line, do this instead. Want to sign your name from an iPhone digitally? Mac? PC? Android? It's now ...

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 ...