But what if someone kills somebody else?"
Gurgeh shrugged. "They're slap-droned."
"Ah! This sounds more like it. What does that drone do?"
"Follows you around and makes sure you never do it again."
"Is that all?"
"What more do you want? Social death, Hamin; you don't get invited to too many parties."
"Ah; but in your Culture, can't you gatecrash?"
"I suppose so," Gurgeh conceded. "But nobody'd talk to you.

Author: Iain M. Banks