There’s plenty of sharing online these days—of ideas, how-tos, events, and information. With sites like Pinterest—where one person posts a picture, then dozens (or thousands!) can share it again with just the click of a button—attribution and ownership of the images, and accompanying tutorials, can get lost in the more of the Internet. While most shopowners who write a blog and post photos want them shared on Pinterest, Facebook, Twitter and the like, they also want to make sure their