microsoft has announced plans to launch its xbox mobile gaming online store next year. with an offering including call of duty and candy crush saga, it hopes to take on apple and google. one of the hottest trends in the cosmetics world is personalised beauty. brands are creating digital tools that recommend shoppers products like foundation or eyeshadow specifically for their unique skin type. there are plenty of personalisation services out there, but what about a device designed to detect the skin's undertone? skin undertone in cosmetics is basically what we call hue in science. it's not about is your skin light or dark, nothing to do with lightness, it's to do with the colour that runs underneath your skin. so you can be very light and be pink, or you could be very