WordPress.com: How to Enjoy Pinterest Rich Pins with Your Site

Implementing Pinterest’s “Rich Pins” feature on your wordpress.com site pulls additional info per pinned item, such as title & description. Rich pins also auto-update, reflecting your changes to the related post subsequent to the pinning. Finally, your assigned title follows the pin, immune to changes by anyone but you, the post author. Here’s your cheat sheet to implementing that feature on your Wordpress.com site.