Some things that you can do on SlideShare:

• Upload presentations publicly or privately
• Download presentations on any topic and reuse or remix
• Embed on blogs, websites, company intranets
• Share on Twitter, Facebook, LinkedIn
• Zipcast: free, no download, 1 click web meetings
• Leadshare: generate business leads with your presentations, documents, pdfs, videos
• Slidecast: sync mp3 audio with slides to create a webinar
• Embed YouTube videos inside SlideShare presentations