To start, Apple could just put cellular-connection detection and repsonsible-usage logic into iTunes and Software Update. … and Xcode documentation downloader,

To start, Apple could just put cellular-connection detection and repsonsible-usage logic into iTunes and Software Update. … and Xcode documentation downloader, and PhotoStream sharing in iPhoto, and TimeMachine if I have a VPN running, and Mail because sometimes it decides to redownload every email I've ever received on GMail… I don't think a sloppy solution is going to cut it when you are talking hundred and thousand dollar ambush fees from the telcos.