Stone Design today released StampInStone 1.0, a new toolfor Mac OS X that adds a text or image watermark to every page of a PDFdocument. Features include options for stamping underneath or over eachpage, an option to stamp the update time or date, the ability to save stampsfor later reuse, the ability to relocate the stamp with a simple click anddrag, and more. StampInStone 1.0 sells for US$49.