This document outlines different types of content marketing including article content, image content, video content, audio content, and slide content. It notes that article content can come from personal blogs, company blogs, guest blogs, or free blogs. Image content can be shared on Facebook, LinkedIn, Google Plus, Pinterest, Instagram, and Twitter, while video content platforms include YouTube, Vimeo, and DailyMotion. Audio content is listed as SoundCloud and slide content as SlideShare.