Yeah as mentioned before, the T-Mobile / Microsoft cloud fail.
https://forums.macrumors.com/threads/801117/
HTML5 has the capability to do that.
https://forums.macrumors.com/threads/801117/
I'm completely positive we will see a hybrid cloud computing system where users can keep a certain amount of data locally for when there is no connection to the cloud. To rely entirely on having connection to have my data, screw that!
HTML5 has the capability to do that.