Denotes questions related to Magento Social which is introduced in Magento 2.2
Magento 2.2 has includes the first third-party extension that they are bundling with Magento Commerce – Magento Social. This extension establishes a connection between your store and your corporate Facebook account and creates a page with products from your catalog. When shoppers click a product, they are redirected to the corresponding product page in your Magento store.
Magento Social Release Note : http://devdocs.magento.com/guides/v2.2/release-notes/ReleaseNotes2.2.0CE.html