GoddersUK said:
it runs on boot, yet doesn't need the HDD...

so you'd need physical access to the PC on boot to do anything?

oh wow... worrying Perplexed (or that article is misleading)
Actually, it is worrying.

Having your notebook stolen, losing it, or even having someone access it while you are away from it, despite it being turned off... Industrial espionage, spys, etc, would all value a hack that give access and leaves no trace.