http://silicon.com/news/164-500001/1/5237.html?rolling=1

Staff were angered by the roll out of swipe cards which effectively enable bosses to monitor their comings and goings and effectively re-introduced the practice of clocking-on and clocking-off. [...] Around 100,000 travellers and holidaymakers were left stranded at the world's busiest international airport by the unofficial action over the weekend.

Of course, the rest of us are not so privledged. Adam -- "It is seldom that liberty of any kind is lost all at once." -Hume