Jennifer Cario tells the basic story over at Search Engine Guide. Kotex engaged Israel-based marketing company Smoyz. Smoyz, in turn, chose an approach that was elegant in its simplicity. They knew their target market was young women, so they went to Pinterest. Pinterest, as you’ve probably heard ad nauseum by now, is a social website that lets you pin images and websites of interest onto boards. You can make these boards public or private, or share them with a few people, collaborate, give them titles, and even browse other people’s boards with the site’s search engine. It gets used a lo…