Company's European sites taken offline for 30 minutes yesterday
                                
                                
                                    (Newser) -
                                    Amazon says hardware problems, not attacks from  pro-WikiLeaks hackers , caused its European sites to shut down on one of the busiest shopping days of the year. The company's British, French, German, Austrian, and Italian sites were down for about half an hour last night, the  BBC  reports. The "hacktivist"...