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You've probably heard everyone talking about 'apps' - but what are they? Jim finds out from Richard Howells, app designer, then talks to an Oswestry pharmacist about the app to help you remember your pills, hears about an app to tell you when your bus is actually coming – and finally Lindsey, who has recently lost her sight, tells Jim about the remarkable Tap Tap See app which is helping her co-ordinate her wardrobe and negotiate her way around the fridge!