Measurements of relative entropy were enough to unmask anonymous authors, too.

ECONOMIST: Computers and language

That comes as anonymous authors whose briefings have apparently got as far as the U.K. Parliament have said PSA could get backing from China, on the grounds that it holds a one-fifth stake in the Hong Kong ports of Hutchinson Whampoa .

FORBES: Magazine Article

"The authors of the anonymous comments about the circumstances of Gerald Babin's death and those who spread them will have to face their conscience, " he said.

BBC: Thierry Costa's suicide note