Yep, agreed, some apps could easily generate more than 10mb in a couple of weeks. It's definitely an issue. Users could take all their data with them following

Yep, agreed, some apps could easily generate more than 10mb in a couple of weeks. It's definitely an issue. Users could take all their data with them following this proposal since, provided the Cache-Storage was high enough, data that is pushed up to the online web app could be served back to the client (as json data, a web page, etc.) and stored in the web cache like any other type of asset