When Apple first introduced the iPad in late January, we noted with much disappointment that the device had no way to lock the screen orientation. This is apparently no longer the case, however—according to an updated iPad specs page, there is now a screen-rotation-lock switch on the right-hand side of the device, seemingly replacing the mute switch that was there when the media first played with it.

In January, Ars confirmed the lack of a screen-lock option with an Apple representative at the iPad event. At that time, the Apple rep reminded us that individual apps give users the option to lock the screen into portrait or landscape mode (which is already the case on a number of third-party iPhone apps), but that the iPad itself had no universal control like on the Kindle or Nook.

As a serial in-bed Kindle and iPhone user, this was disappointing to me and a number of other readers. There are few things on earth more annoying than trying to type on your iPhone at a strange angle and have the screen rotate four times before you're finished.

Apple apparently heard our cries. 9 to 5 Mac first pointed out the difference in specs this morning, which is now reflected on the official iPad spec page. Yep, that sure does say "screen rotation lock," and that option was definitely not there when Ars played with the iPad on January 27.

For those of you who forgot, today is iPad preorder day as well. You can now reserve one to be picked up in-store on April 3 (WiFi only) or you can preorder either the WiFi or 3G versions to be delivered to you. As usual, you can count on Ars to have a review up not long after the iPad launch!

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