I've been playing around with this idea myself. My solution is to isolate the "stack of shit" that is still useful into VMs or separate processors entirely. The

I've been playing around with this idea myself. My solution is to isolate the "stack of shit" that is still useful into VMs or separate processors entirely. The USB stack is already implemented on microcontrollers. If you only want mass storage and HID keyboards you can implement your own simple protocol. TCP/IP, again, plop it onto a microcontroller and create some simple file interface for it. The browser, um, well, put it in a VM running linux... or really want I would rather do, put it on a VM in the cloud and make the big computer in the cloud do all of the hard work and just send down a simple description of the page, maybe using a protocol like, well, I don't know, Postscript?