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Find Your Mac's Serial Number

Want to check your Mac's serial number quickly and easily? Select About This Mac from the Apple menu, and click on the text directly below "Mac OS X" that reads "Version 10.x.x." Click once and you'll get a build number which is more specific information about the software. Click twice, and you'll get your Mac's serial number.

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Sharon Zardetto

 
 

Capture Your Signature Using Preview

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Did you know that the Preview app in Mac OS X — that seemingly simple PDF viewer — can scan and add your printed signature to a document? A new addition to the Annotations bar makes it possible to take a photo of your signature using your Mac’s built-in iSight or FaceTime camera. Chris Rawson at TUAW describes how.favicon follow link

 

Comments about Capture Your Signature Using Preview
(Comments are closed.)

Andreas Frick  2011-09-09 11:32
I think, this is a very useless feature. One can sign a pdf digitally in Acrobat or the free JSignpdf (http://jsignpdf.sourceforge.net/). Unfortunately Preview doesn't recognize these digital signatures.
Curtis Wilcox  An apple icon for a Friend of TidBITS 2011-09-09 15:43
Most human beings and organizations don't recognize digital signatures either. The link to JSignpdf for the few who may have the opportunity to use them is helpful.
Andreas Frick  2011-09-13 14:49
If one uses Adobe Acrobat to sign a pdf, a related badge is added on the front page automatically. One also has different other options to display information about the certification. Furthermore, on opening a signed pdf Acrobat pops up a message about the digital signature. If one has the appropriate certificates installed, one can even verify the authenticity of the document.