If you've jumped through all the hoops and gotten iOS 5 successfully installed, then you've probably blown at least part of your work day on exploring the new features.
Maybe you're blasting off messages to the cubicle next door with iMessage, backing up your Infinity Blade achievements with iCloud, syncing photos between your iPhone and iPad, or Tweeting everything in sight.
Tell us about your first impressions of iOS 5. What's your favorite new feature? Vote in our poll and chat us up in the comments.