Related Clues:

• Spam sender, often
• Ending with spam
• Either-or alternative
• "The other one, too"
• Autonomous program
• Sci-fi sidekick, often
• Bit of Google programming
• Best of __ worlds
• The two of them discovered in Talbot hairdressers
• AI game competitor
• The two of them uncovered in Talbot hairdressers
• Better-be-safe choice
• Each of two
• Each of two (alternatives)
• The two (things)