The hot new social network may be right up the jewelry industry’s alleyGiven how overloaded many of us feel with Facebook, Twitter, and Google+, it’s easy (if not preferable) to ignore smaller niche sites. When choosing platforms, we may overlook services like Foursquare, Instagram, and, now, the bulletin board–style photo-sharing website, Pinterest. Such a focused approach is often advisable for small to medium-size businesses with limited resources; but for the jewelry industry, Pinterest is definitely worth a peek.What is Pinterest?Pinterest lets users capture, organize, and store images from the Web. Each image is considered a pin, and multiple pins can be added to one of several virtual boards. Anyone who’s ever ripped a page out of a magazine to remember a specific hairstyle, bookmarked that “perfect dress” online, or created an inspirational collage will feel immediate