The Pluses and Minuses of Watermarking Your Images
There is a great article from Popular Photography magazine in which photo pros talk about the benefits and pitfalls of watermarking your images. A watermark can be a copyright notice, just your name or business name, or anything you like that will identify an image as yours. The article also discusses the mistakes you should avoid if you’re going to watermark
See the article at Pop Photo online at: http://www.popphoto.com/how-to/2014/10/watermarking-your-photography-crash-course
I usually only watermark my high resolution images.
If you are going to watermark, make sure that watermark size, color, and placement don’t distract from your image.