In pictures: Tokyo's gadget heaven

		Secret surfing What makes this 'phantom mouse' different from an ordinary mouse is the red button in the middle. If someone surprises you when you are looking at a website you shouldn't be, one click of that button and the browser disappears instantly from the screen and the task bar. Vendors say it is much faster than clicking closed a window in its corner. You can also set it to swap your 'dodgy' window for a more appropriate one. Unsurprisingly, they say they sell a lot to secret porn surfers.