THE first the world learned of Facebook’s mind-reading project was when the company posted an advert for the position of “brain-computer interface engineer”. Facebook CEO Mark Zuckerberg had talked of ‘tech-mediated telepathy’ as a future possibility, but this was a sign that the company was serious about pioneering a technology that might allow us to connect via the net or the cloud with other people, not through the device in our pocket, but directly from our brains.