I just realised that simply using Prey would probably put you within some walkable distance of your stolen/lost laptop, but if the place was say a shopping centre, then you would be screwed. Then I remembered this xkcd comic, and decided to do something similar. SSH into the system using the IP address generated by …
Tracking your assets(laptop, phone etc) online!
Full duplex is good
My attempts to get my mobile broadband to share a connection to my iPad.