The new fridge has a cold water dispenser in the front of it, with a child lock. 'Granddad, I can't get any water from this...' 'Hey, cold water isn't free. Use the tap in the sink, you little rat.' 'But granddad, I can't reach the tap.' 'Well then you have a great incentive to grow up fast, don't you.' Life: as Marx noted, it's all about controlling the means of production.