Answer: bots

AnswerCrossword Clue
BOTSSome modern viruses and worms
botspiece of software that can execute commands without user intervention
BOTSDroids and such
BOTSSources of much spam
BOTSSpam spewers
BOTSAutomatons
BOTSMechanical men, briefly
BOTSWeb crawlers
BOTSSome spam senders
BOTSHigh-tech workers
BOTSInternet prowlers
BOTSDroids
BOTSNonhuman co-hosts of TV's "Mystery Science Theater 3000"
BOTSComputerized video-game opponents
BOTSScroungers, in Sydney
BOTSWeb crawlers, e.g.
BOTSAutomated-task performers on the Net
BOTSSoftware programs that do automated tasks