SlideShare is a large presentation sharing site that receives 65 million monthly visitors who spend over 8 minutes viewing 20 slides each. It allows users to upload and share PowerPoint files, videos, documents and PDFs, as well as embed and share content on other social media sites. Advertisers can reach SlideShare's young, educated, affluent audience through display ads, home page sponsorships, and custom channels to market brands and engage users by encouraging sharing and interaction.