For all practical purposes, so does any other way of producing a document from plain old desktop printing (<a href="http:&#x2F;&#x2F;33bits.org&#x2F;2011&#x2F;10&#x2F;11&#x2F;everything-has-a-fingerprint-%E2%80%94-dont-forget-scanners-and-printers&#x2F;" rel="nofollow">http:&#x2F;&#x2F;33bits.org&#x2F;2011&#x2F;10&#x2F;11&#x2F;everything-has-a-fingerprint-%E...</a>) to handwritten letters.