Ed Bastian, CEO of Delta Air Lines, says the airline is facing $500m in costs related to a global tech outage that disrupted emergency services, communications and thousands of businesses.Speaking on CNBC, Bastian said on Wednesday that the monetary amount represents lost revenue as well as “the tens of millions of dollars per day in compensation and hotels” for the five-day period.A week ago, CrowdStrike blamed a bug in an update that allowed its cybersecurity systems to push bad data out to millions of cu ...