SlideShare is a slide hosting service that allows users to upload presentations publicly or privately and share them on websites, blogs, and social media platforms like Twitter, Facebook, LinkedIn, Pinterest and Google+. It has 60 million monthly visitors and supports file formats like PowerPoint, PDF and documents. Paid Pro accounts provide additional features like lead capture forms, branded channels, and detailed analytics on viewer engagement. Pro accounts allow users to utilize SlideShare for content marketing, running campaigns, collecting leads and measuring the performance of shared presentations.