Apple has updated their iTunes Movie Trailers App with support for the new iPad's Retina Display. The trailers app mirrors the content on Apple's own Movie Trailers site and offers a good showcase of the iPad's new screen

Apple has posted a new section on iTunes highlighting "Great Apps for the New iPad". The section lists many new Retina-enabled iPad apps that take advantage of the new iPad's high resolution screen.

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Tech of the Hub notes ( via Wired ) that the new upgrades to the iTunes in the Cloud services to include movies purchased from the iTunes Store have another benefit: matching of iTunes Digital Copies that are sometimes included with the purchase of films on DVD or Blu-ray.

Ars Technica takes a look at the new 1080p content available on the iTunes Store, showing how a "High" compression profile for H.264-encoded content on the iPhone 4S and new iPad and Apple TV are minimizing the increase in file size needed to move from 720p to 1080p. Comparison of 720p (left) and 1080p (right) video quality in iTunes Store content In a survey of several titles now available in 1080p on the iTunes Store, the report found that file sizes generally increased by 15-25% over their respective 720p versions, despite the number of pixels more than doubling to reach the higher standard. The reason that the 1080p versions of the iTunes Store videos can be a good deal better without doubling the file size—or worse—can be found in the tech specs of the new AppleTV and the new iPad

Last December, the U.S. Department of Justice acknowledged that it was conducing an antitrust investigation into the new "agency model" of e-book pricing that was championed by Apple ahead of its iBookstore rollout, a model in which publishers could set the retail prices of their books but could not sell them to retailers other than Apple for lower prices. A similar investigation has been ongoing in Europe as well

As expected, Apple today introduced an updated Apple TV offering support for 1080p video, which is now also available through the iTunes Store. The company is also rolling out an updated interface for the set-top box, with icon-based category buttons and large billboard-style artwork for content. The new Apple TV maintains the same $99 price tag as its predecessor and is available for pre-order today.

Apple's App Store today reached 25 billion downloads since its inception in 2008, and along with the milestone comes the end of the company's "25 Billion App Countdown" promotion launched just over two weeks ago .

The Guardian reports that Apple is currently working on a new audio format that could allow the company to offer "high definition" audio via iTunes. The format would also integrate an "adaptive streaming" component that would allow music being accessed from iCloud and iTunes Match by portable devices to be automatically adapted to fit bandwidth or storage constraints.

The iTunes and App Stores make up an integral part of Apple's success in the portable music, smartphone and tablet markets, generating much revenue for the company even after the device has been purchased. Continue reading this article at RedmondPie.com