Just because someone presents some information as a fact does not make it a fact. The journalistic "two reliable but independent sources" is the standard all who publish – and want to be trusted by their audience – should try to achieve. Anything else is just snake oil and opinion.
So a round of applause for TBL in today’s Media Guardian
Sir Tim believes devotees of blogging sites take too much information on trust: "The blogging world works by people reading blogs and linking to them. You’re taking suggestions of what you read from people you trust. That, if you like, is a very simple system, but in fact the technology must help us express much more complicated feelings about who we’ll trust with what." The next generation of the internet needs to be able to reassure users that they can establish the original source of the information they digest.