People don't play lotteries for an expected gain, but for entertaining dreams of winning. And while your chance of winning the big prize may be negligible, man

People don't play lotteries for an expected gain, but for entertaining dreams of winning. And while your chance of winning the big prize may be negligible, many lotteries do offer tiers of smaller prizes with more reasonable probabilities. In Holland there's a zipcode lottery in which many people play as a a form of insurance against neighbour envy, as prizes are shared among all entrants from the winning street:-)