A watermark is a semi-transparent image that usually contains a logo or seal to identify who created a document or image. If you want to watermark a PDF file, you can either insert the watermark into ...

WASHINGTON — Efforts to come up with an additional layer of copy protection on DVDs to back up the compromised Content Scrambling System now in place took a turn for the better last week. Two groups ...

If you work with PDFs in, you will at some point want to know how to add or remove a watermark in Acrobat. A watermark is an image or text added in front or behind the contents of a document.