The inability to wirelessly share documents directly between Macs and iOS devices using Wi-Fi Direct, a feature Samsung's Galaxy S III and some other devices supports, is one of the top complaints on the minds of folks of all stripes. Yes, it is possible to share files through the iTunes jukebox program.
You can also share files via iTunes wirelessly, provided Wi-Fi iTunes Sync is enabled. On the downside, the feature requires a running copy of the iTunes app on your Mac and the experience leaves a lot to be desired due to a pretty slow and unreliable connection.
Meanwhile, the popular Dropbox service Steve Jobs once dismissed as "a feature" is gaining more traction with each passing day, winning crucial support from the ever growing number of third-party apps. Apple may be stuck in the old ways, but under the surface the company's been quietly putting the pieces of the file sharing puzzle in place...