Multiple concurrent screens (phone, tablet, desktop, living room) as viewports onto your cloud-resident stuff. The cloud will move away from being largely pass

Multiple concurrent screens (phone, tablet, desktop, living room) as viewports onto your cloud-resident stuff. The cloud will move away from being largely passive storage, into hosting active applications/agents. The underlying OS API will lose its grip, but the cloud framework(s) will take over the role of application platform(s).