1) Usually refers
to electronic devices, such as USB drives, worn on a lanyard which generally
has a technology company logo or insignia.
2) Also refers
to bus passes, building identifications, etc. in plastic
cases worn in on corporate issued lanyards.
Nerd 1: Hey, send
me that file.
Nerd 2: The network is down.
Nerd 1: Fine, plug in your 1GB nerd necklace and bring
it over here.