Reddit says it will label automated accounts that provide a service to users and will require accounts suspected of being bots to verify they are human (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch: Reddit says it will label automated accounts that provide a service to users and will require accounts suspected of being bots to verify they are human — Would-be Reddit competitor Digg just shut down because it couldn't get a handle on the bots overrunning its site.