Yeah, but those are a pretty small minority. A lot of apps have the courtesy check of "don't download songs (photos/videos, whatever) until you're on WiFI". At

Yeah, but those are a pretty small minority. A lot of apps have the courtesy check of "don't download songs (photos/videos, whatever) until you're on WiFI". At some point an app has to assume it's safe to download assets, and when you're on WiFi is a pretty safe assumption.