Two great suggestions from John Gruber :
I wish you could delete apps right from the App Store Updates tab. When I see an update, waiting for an app I never use, I'll just delete it there.
The worst part is, what I really do is update everything, waste time and data that update an app I'd rather delete because it's easier.
Also, it would be great to be able to delete apps from Spotlight search results (or just reveal them).
Dan Masters shows how this works on Android.
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