Why Facebook and other iPhone and iPad apps sometimes say ?Cleaning??

With iOS 5 it’s not uncommon to sometimes see the label under many apps, including Facebook, sometimes change to read “Cleaning…” This is a feature of iOS 5 that Apple hasn’t really explained, so it’s caused a lot of you to write in an ask about it....

Source: http://feedproxy.google.com/~r/TheIphoneBlog/~3/y7-06bhdotg/story01.htm

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