Pacemakers, cars, you name it. I hate to take a swing at the ol' conspiracy theory, but I found this video really interesting. It kind of makes you think about how vulnerable we all really are to a bit of code and a little bit of creativity.
Check the video out here: http://www.ted.com/talks/avi_rubin_all_your_devices_can_be_hacked.html
Check the video out here: http://www.ted.com/talks/avi_rubin_all_your_devices_can_be_hacked.html