Speaking of which, the iPhone 5 rumor mill is spinning quite furiously this morning, with many outlets reporting that the device will sport a larger screen and metal casing. While no direct sources can be identified, Taiwanese site is doing the hard news, saying that while the mobile market expects a "4- to 4.2-inch HD touch panel, 8-megapixel camera, Full HD video recording, A5 dual-core processor, and new ultra-thin industrial design," the only sure thing is that the iPhone 5's screen will be less than 4 inches.

For context, notes what the screen size actually means:

While we've been hearing that the fifth-generation iPhone will have a 4-inch screen or larger for some time, this isn't the first time we heard about a less than 4-inch display. Joshua Topolsky at This Is My Next also reported (back in April) that the iPhone 5 would have a 3.7-inch screen. The screen of the new iPhone will maintain the 960×640 resolution of the iPhone 4's display, which means Apple can only increase the size a small amount without a visible drop in image quality.

"Rumors have been suggesting that the size would bump up to 4 inches, but at that size with the current resolution, pixel density drops to 288, making it harder for Apple to use the [Retina Display] branding," writes Topolsky.

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