It’s claimed that Facebook tracks the internet usage of people who don’t have a Facebook account. The Guardian reports that the study; by the Vrije Universiteit Brussel and the University of Leuven’s Centre of Interdisciplinary Law and ICT; claims that the social network tracks every visitor to pages on its site even if they have opted-out of tracking, have logged out of Facebook, or do not even have an account. Tracking begins whenever someone visits a page or account on Facebook’s servers or uses ‘plug-ins’ such as those that allow websites to be ‘liked’ on the social network. The study was carried out in the EU and claims that Facebook’s tracking is illegal as it does not allow users to give consent. Read the full story.