The tendency to fade people out of your life that do not own a computer or do not utilize email and/or social network sites.
Can also mean to ignore emails or messages from friends whom you communicate primarily via computer.
Also cybershunning, cybershunned.
Random Example Guy: Do you facebook or have email?
Other Person: No
REG: Well maybe I will bump into you again on the street someday
Bystander: Ooooo, cybershun in tha house!