Share settings show social media icons on products or blog posts so shoppers can share it on their social media page. Displaying these icons makes it easy for shoppers to share your products and grow your brand. Share settings can be accessed in Store Setup › Store Settings, under the Share tab.
Available share options
The sharing settings control what options your customers are provided with to share your products across different social media sites including Google+, Facebook, Twitter, LinkedIn, and Pinterest.
Click on a social network to turn on the sharing icon for that network. Click an active social network to deactivate sharing, and the button will be grayed out.
The social sharing icons are usually displayed on product pages below "Add to Cart" button, and on blog posts.
Enabling the Facebook "Like" button? In order to display the Facebook Like or Recommend button on your product and blog post pages, you must provide your Facebook user ID. See Adding the Facebook Like Button to Product and Blog Post Pages for detailed instructions.