When photos are posted online, they are rarely protected, meaning they can be used by anyone who has access to them. Photos can be protected through copyrights, but a trick often used by photographers is to watermark their photos. Traditionally, watermarks were variations in the thickness of a paper that can only be seen in certain light conditions. Digital watermarks are text or logos that are put on top of the image to establish the owner of the photo. Often, watermarks are opaque and look indented. A great way to ensure that no one is using photos without your permission is to add a watermark with Google's Picasa or Adobe Photoshop. This article will tell you how to add a watermark to photos.
Watermarks can be created in most Microsoft Office documents , including those in Microsoft Publisher in a similar way to the method used for PowerPoint. It can be useful protecting your work as well as labeling documents as drafts or labeling them as confidential. Watermarks are then easily removed if the document is ready to be printed or distributed in its final form. Most word processing and presentation software include a watermark feature. It may be lacking in the most basic programs, and a user would have to improvise a way to add one.