Since the documents and files now come in word or pdf format, it is also becoming common for electronic signatures to set in the setting. There are now apps developed to make use of such e-signing such as the electronic signature iPad has. It allows you to sign on your document through your iPad using a stylus for the touch screen thereby making it easier to sign any of your important documents wherever you are in the world. It would save your time from going into your office personally to sign the papers, especially when it is something important.