On the other, they can plausibly distance themselves from the more underhand attacks on their opponents.

ECONOMIST: The mid-term mud starts to fly

Gone is the physical distance that reduces the tension surrounding nasty attacks in other online forums, for instance in multiplayer games, chat rooms, or in the reader comments sections below news articles or blog posts.

CNN: Social anxiety, meet social networking

With almost 20 minutes played, Chris Millar watched a shot from distance glide over the bar as St Johnstone stepped up their attacks.

BBC: Sport - Football - Hamilton 1-2 St Johnstone

There have been several such attacks on this road and we therefore chose to keep our distance.

BBC: Eyewitness: At the edge of war

There have been the discussions of using ultrasound waves to determine the distance between a transmitter and a medical device to prevent far-away attacks.

FORBES: Yes, You Can Hack a Pacemaker (and Other Medical Devices Too)