Well, putting the idea of malvertising aside, I don't think this would even prevent it. An app 'layer' would be separate from the OS. Though they wouldn't be ab

Well, putting the idea of malvertising aside, I don't think this would even prevent it. An app 'layer' would be separate from the OS. Though they wouldn't be able to taint the OS, so that's a plus. I don't agree with the idea of installing extra apps, especially to paying customers, but that's a separate discussion.