What is fact-checking? Fact-checking is a journalistic term that indicates the work of ascertaining the events and the data used in a text or speech. This practice applies in particular to information given by politicians and, also as a self-check, to news disseminated by the media. Fact-checking is useful for uncovering errors, inaccuracies and lies. In the past it was mainly conducted by professional journalists, but with the spread of the internet it is also practiced by ordinary citizens, giving to fact-checking a civil consciousness connotation. There are different types of fact-checking; internal fact-checking is the in-house analysis of the text; whereas external