it s down again this morning. and in a global world, how important are national standards? we ll be talking with the british standards institution about keeping up with artificial intelligence, robots and deep machine learning. and a superstitious passenger has delayed a flight in shanghai after throwing coins at the engine for good luck! today we want to know have your good luck charms ever backfired 7 let us know. just use the hashtag bbcbizlive. hello and welcome to business live. now, another huge cyber attack is affecting businesses across the world. those affected include banks, retailers, energy firms and transport networks. it means many companies can t access their computer systems and for some that means it s impossible to get any work done. the virus was first detected in ukraine on tuesday but has quickly spread across the planet. according to russia based kaspersky labs more than 2,000 users have been attacked so far, but that number seems to be growing every h