2002 by 
 Prentice Hall, Inc.
  
 
 
 
  
  
  
  
  
  
  
  
  
  
  
  
  
 nNetworks: groups of
 people who socialize, exchange
 information, and expand the number
 of their personal acquaintances
nElectronic groups:
 include chat rooms, multi-user
 domains, user groups, and virtual worlds,
 all forms of groups that have formed on
 the Internet to socialize, find information, entertain themselves, gain comfort, or just experiment with the new online world; membership wide open; no hierarchy; loosely coupled
 Types
 of Groups