Say what you will, the past couple of days have been littered with signs of a rapidly expanding set of functions that the iPad can perform. Latest on the block is the iDisplay desktop extender, which will turn any of your iPhone OS devices into a second monitor for your computer, allowing you to finally unchain your Mac OS (Windows version forthcoming) desktop and take it on the move. Introductory price is $4.99 and you'll find an early hands-on experience at the TUAW link. Next up we have the Kindle for iPhone app contracting its name to just Kindle and making the
