The oEmbed provider plugin makes WordPress an oEmbed provider, compliant with the XML and JSON specification at http://www.oembed.com. oEmbed is a powerful protocol that allows sites to automatically embed content from 3rd parties directly into their site in whatever way they choose. For example, if a user on http://identi.ca links to a WordPress blog with this plugin enabled, the link, when clicked, will show an excerpt from the blog post, the authors name, and various links… automatically.