>Nice security, what about having wireless transmitter and receiver in laptop, if it does't get signal from the transmitter (more than 10-100 meter away) an acid ampoule (or ferrid oxide remover) is opened inside of the laptops HD and all data is gone :)
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>AT

Well, that's sorta where we are going, except if the laptop is more than 20 meters from our metropolitan area, the c4 explosives will ignite rendering the laptop and the user useless!<g>