Skimlinks is a content-to-commerce platform that helps publishers monetize their editorial content through affiliate marketing and the syndication of the resulting shopping-intent data to marketers. Their key products are SkimLinks, a product that turns product references into affiliated-shopping links, and Audiences by Skimlin...
The Tweet Button is a small widget which allows visitors to share content and connect on Twitter.
Facebook's Like button is the quickest way for people to share content with their friends. A single click on the Like button will 'like' pieces of content on the web and share them on Facebook. You can also display a Share button next to the Like button to let people add a personal message and customize who they share with.
Open graph description entity tag
The Open Graph protocol enables any web page to become a rich object in a social graph, a open protocol supported by Facebook