Target has revealed that data for more than 40 million customers have been stolen from its retail network. But what on earth does a thief do with all those credit card numbers? How can they be used and for what purpose? Next, what’s the perfect gift for traditionalists this Holiday Season? Light bulbs – the old-fashioned kind invented by Thomas Edison a century ago. They are banned as of Jan. 1, and lots of people will miss them. Plus another installment from our travels across Europe, looking at unemployment among the young.