WEST LAFAYETTE, Ind. – Using watermarks to preserve the integrity of printed documents dates back 2000 years. Research by a pair of Purdue University professors could bring that time-tested method ...

Watermarks are faded background text or images that sit behind the text in a document. You can use them to indicate a ...

Watermarks are helpful visuals for letting others know your document is confidential, private, or that it shouldn’t be copied. These types of images (usually text or a logo) display in the background ...

Adding a watermark to a company-related document helps ensure confidentiality or prohibit others from stealing the material. In addition to creating a watermark that consists of text, many programs ...