Related Clues:

• Web crawlers, e.g
• Automated programs
• Automated task runners on the Internet
• High-tech workers
• Many spam senders
• Automated systems
• Automated-task performers
• Internet crawlers
• Droids and such
• Some spammers
• Chatroom spammers
• Fake Twitter followers
• Droids, for example
• Sources of much spam
• Spam spewers