Pinterest adds more data to your boards with rich pins

Pinterest is already an absurdly popular way to save stuff from around the web, be it shoes you love, accessories for your bridesmaids or decorations for your man cave. One thing the social-bookmarking service has been missing, however, is context. Now it's offering a way for companies to deliver more info, through metadata attached to particular types of pages. Rich pins, as they're being called, can automatically attach price and availability to a product, or ingredient lists to recipes. There...