iCloud vs. Wi-Fi Sync: Which does what?

iCloud vs. Wi-Fi Sync: Which does what? - Thanks to iTunes 10.5, iOS 5, and iCloud you can wirelessly sync data with your iOS device in two ways: iCloud lets you send specific information to and from Apple’s iCloud servers over an Internet connection, and Wi-Fi Sync syncs your device with iTunes on your Mac via your local wireless network. But there are notable differences between what gets synced using each method, and the two aren't mutually exclusive, so it's not surprising that many people are confused about the differences and similarities between the two. We've summarized the types of data handled by each.

(Via Macworld.)