PDF or portable document format are widely used in both daily digital life as well as business circle that include annual reports, PDF ebook, advertising sheets etc. Pdf is really not the best file format for presentation as you are unable to view this file format without Foxit or other PDF readers and at time you may also feel frustrated when you need to edit PDF files. Though, it contains links, graphics, images, text etc still this format is not flexible to represent your thoughts vividly. 

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