Slideshare

• Slideshare: is an online slide hosting service. Users can upload files in the following file formats: PowerPoint, PDF, Keynote or OpenOffice presentations. The website was originally meant to be used for businesses to share slides among employees more easily, but it has since expanded to also become a host of a large number of slides which are uploaded merely to entertain.The website gets an estimated 12 million unique visitors a month.
  
  
  I'ts useful:
  -It uses to distribute better the presentations.
  -Respect the copyright.
  
  
  
  
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