YiThemes - YITH WooCommerce Watermark v1.1.3
It is well known: on the web, everyone can download images, with the complete freedom to reuse them without any permission, editing them, even for not so legal or unethical purposes. Today new technologies allow a not-controlled diffusion of images, and who takes them can do it really easily, even using software that automatically grab pictures from a site, stressing your server performances and your visibility