Bluetooth as Big Brother: Humans are naturally gregarious, which is just as well since it seems that the intent of modern communications is to keep us all connected 24/7 — whether we want it or not.

Panasonic appears to be clearly on this course with its latest Strada F-Class car navigation systems, which are intended to tie the family car even more to the family home.

The CN-HX1000D and CN-HW1000D include the usual onboard gadgetry like GPS, DVD, MP3 playback, 1-Seg mobile digital TV tuner, remote control, iPod link and a 7-inch Viera screen. Beyond those features, the devices let you venture into Big Brother territory.