SlideShare is an online slide hosting service. Users can upload files in the following file formats: PowerPoint, PDF, Keynote or OpenOffice presentations. Launched on October 4, 2006, the website is considered to be similar to YouTube, but for slideshows.[2] 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.
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