BBC Click's Lara Lewington highlights the week's tech news including the "smart" hair extension which allows users to send a text message by touch, Apple takes steps to remove malicious code added to a number of apps commonly used by owners of iPhones and iPads in China and a paralysed man has regained some control over his legs after using a device that reads his brainwaves.

More at BBC.com/Click and @BBCClick.