I used to have an active link to a Youtube video I thought was incredible. It showed a gent in Europe installing a Dell Axim in his car as a computer. It had a touchscreen in the dashboard, USB ports, a hard drive in the trunk... SD and CF card slots. It was a GPS and route mapper, music player... just super cool!
This was 20 years ago, before the age of the smart phone or the fancy equipment we have now.