Q: I’m wondering about the best way for my wife and I to use our iTunes and iCloud accounts with iOS 5.1. We each have our own iPhone but are currently sharing an iPad. I also have my own MacBook Air, but we both share a family iMac. Can we use the same iTunes accounts for our apps and music, but different iCloud accounts to keep our contacts and calendars separate? Also, how do we handle things like Photo Stream and sharing pictures? I’d…