[aeorgnoieang]

Nah, you're wrong! [You're not totally wrong, tho you wrote in really broad absolutes.] Even your example would be a much better app with offline support. The app shouldn't stop working just because of a hiccup in the user's internet connectivity.

If I, the user, switch from the when-is-the-next-bus-coming app to another app and then switch back (within, say, a few minutes), it'd be really great if the app could default to showing me info based on the data it just downloaded instead of automatically resetting the UI and waiting to update it until it downloads the data again.