Whether you're running the latest version of Android, iOS or Windows Phone, there's bound to be something missing from your favorite mobile operating system. Personally, I find it amazing that iOS still makes me play Whac-a-mole when it comes to clearing out my notifications panel. What are some features you can't believe are still missing? Sound off with your fellow Engadget readers in our forums.
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Sound Off! What's missing from your favorite operating system?
