32018-03-18 13:45:43AleksanderWawer22013-06-17 06:55:28AleksanderWawer12013-02-24 22:43:07AleksanderWawerSincerity is incommunicable because it becomes insincere by being communicated. Niklas Luhmann, Social Systems, p. 150 This is the home page of Sincerity Corpus (Korpus Szczerości). It contains a collection of fake and real reviews. You may get them here.