Related Clues:

• In-groups
• Exclusive groups
• Upper crusts
• Pet rocks, hula hoops, etc.
• Transitory trends
• Distinguished groups
• Sudoku and others
• Chosen groups
• The twist, once, and others
• Privileged ones
• Short-lived fashions
• Whims
• They hold power
• High-status groups
• Media ___ (NPR and PBS, to Bill O'Reilly)