Researchers use an MRI scanner to ‘see’ memories and predict what people are thinking about: http://news.bbc.co.uk/1/hi/health/8556422.stm
Can machines read our minds? This is a really interesting article from The Times that explores the new phenomenon of ‘brainjacking’, being used by marketing experts, psychologists and criminal investigators. It also looks at the ethics of invading someone’s thoughts without their consent: Times article on brainjacking