Related Clues:

• Word with friendly
• Web surfer, e.g.
• "Foucault's Pendulum" writer
• Friendly start?
• Microsoft customer
• Budget, in brand names
• Prefix for system
• Computer customer
• Earth-friendly lead-in
• Environment-friendly
• Semiotician Umberto
• Logical opening?
• Italian novelist
• 'Green' prefix
• PC owner