There’s plenty of software programs on the Mac App Store that will allow you to add a signature to a PDF, but come Lion, you won’t need any of them: Preview.app will do it by creating a perfect digital pen signature via FaceTime.
Here’s how to sign a PDF in Preview under OS X Lion.
Apple has released an updated version of iBooks, version 1.2, introduces PDF printing and Collections. Collections allow you to organize your books and PDFs.
The app is now able to provide better graphics support for children’s books and there is even an option that will allow you to display more words per page for devices with smaller screens like the iPhone and iPod touch.
It’s available now, for iPhone, iPod touch, or iPad via updates in the iTunes App Store app or grab a copy here.
Check out the iPhone 4 screen shots after the jump.