Usually you don't think of an operating system in terms of productivity, but iOS 6 does bring a few welcome improvements to that table. If you're wondering whether or not it's worth upgrading (trust me, it is), check out these three ways iOS 6 can help you work smarter.

Want to make sure email from important people, like your boss and clients, doesn't get lost in the shuffle? The new VIP inbox is the answer.

Just add one or more contacts to your VIP list. (You can add them manually or tap any sender's name and then choose Add to VIP.) The Mail app will automatically filter messages from those contacts into the VIP inbox.

When you're in a hurry, or just want to make sure you don't miss anything important, you can bypass your overloaded primary inbox and simply check the VIP inbox.