1. A method for making a preference available, the method comprising the steps of: receiving, by a processor, from a censorship device, data generated by an individual person that is within a field-of-censorship; generating, by the processor, historical information regarding a history of an object indicated by text data based on the received individual person generated data; extracting, by the processor, historical text data that satisfies a predetermined historical condition regarding the generated historical information; generating, by the processor, a number of references in connection with a user ID that identifies the individual person who has generated the individual person generated data, the number of references indicating a number of times the text data is at least one of: re-posted, re-tweeted or referred to in an email chain; extracting, by the processor, particular text data that satisfies a predetermined reference condition, based on the number of references, out of the historical text data; transmitting, by the processor, to the censorship device, the particular text data thereby making the particular text data available to the censorship system; and generating, by the censorship device, a censorship control command as a specific executable command for the individual person based on the related text data, wherein the censorship control command causes blocking of information containing the particular text data.