This video explained about How to add e-signature in Pdf file. Most of the peoples they don't have Printer and scanner facility. That peoples have to travel to xerox shop for scan their signed documents. This is very expensive and it take long time.
E-sign can easily add by using adobe reader. This is a quick process. Now all peoples have smart phones. so we can click sign image and can easily convert in to signature. Mostly purpose of this video is for Resume.