If there was a chromebook that came with a SIM card and an unlimited data plan, worldwide, I would buy it in a heartbeat and replace my Macbook. I like the idea

If there was a chromebook that came with a SIM card and an unlimited data plan, worldwide, I would buy it in a heartbeat and replace my Macbook. I like the idea of cloud storage, the ability to instantly log onto a new machine and have everything there. This critically depends on 100% connectivity though.