Personnal computer: If you have one some of us might not even know what it looked like except by looking through wiki: amiga, apple II, commodore 64 or first IBM. Bulky, heavy and two main problems: finding power and floppy disks.
Labtop: not really around
Cell Phone: some bulky stuff (close to 2 pounds/1kg) but basically you receive a strange "ffffrrr" whereever you are.
Personnal radio: yes and you might still have some people broadcasting around
GPS: gone
TV: About gone and if available, snowy. Might still exist, however, in countries such as Switzerland or may be Belgium.
About it.
