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iMessage allows for virtual texting between iOS devices over Wi-Fi. iCloud syncs content between devices wirelessly. Still a top-notch music player. Retina display makes text and images look incredibly sharp. Shoots HD video, takes photos. FaceTime video chat is solid. GameCenter allows social gaming with other iOS devices.
Quite expensive. Lousy earbuds. Low-res camera.
Aside from a new white version, the best-in-class iPod touch remains physically the same, but gets new features, like iMessage, via the iOS 5 update.
Source link: http://www.pcmag.com/article2/0,2817,2179701,00.asp