The BBC has revealed that an update arriving Tuesday for its iPlayer app on iPhone and iPad will add the ability to download shows for viewing offline, instead of being streaming only. First reported by The Guardian, it will let those with paid up TV licenses load their phones and tablets with plenty of programming to view when and where (including abroad) they want, for up to 30 days or within 7 days of being watched. Those restriction will keep viewers from building up libraries they can truly keep with them indefinitely, and it should be noted that the app will only let users down