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. follow link
Record HD in Game Your Video
With Game Your Video you can you also record HD videos. To do this, go to the record screen, tap and hold your finger on this screen for about a second, and you'll see the video resolution pop-up. Choose the HD option to record videos in higher quality.
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Capture Your Signature Using Preview