Appolicious - Between the launch of the iPad and last week’s announcement of the forthcoming OS 4 for iPhone and iPod Touch, Apple has had a busy April. Although we still have to wait for the official summer debut of OS 4 (autumn for iPad users), there’s no harm in thinking about the increased functionality multitasking will bring. Sure, users will run the usual suspects such as Facebook, a Twitter app, and, of course, Appolicious, but here are some other apps that are likely to do it right.

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