Social media giant agreed on Tuesday that location data was ‘one of the factors’ it used but on Wednesday said no, not any moreFacebook has denied using location data to suggest potential friends amid questions about the unsettling accuracy with which it puts forward “people you may know”.The feature has been known to suggest users who have no or few mutual friends on the network – and, reportedly, nothing in common beyond having shared the same physical space – prompting concerns about how it works.