Tech Glitches Ground Planes, Freeze the NYSE: This Week's Headlines

TermiLooking to keep on top of the latest headlines in business innovation and tech? Check out our Weekly News recaps posted every Friday morning -- a quick summary designed to keep you current.

Trading has resumed and planes are back in flight. But the outages that wreaked havoc for the New York Stock Exchange, United Airlines and the Wall Street Journal this week reveal that not even major corporations are prepared to deal with such technical failures. Our Nina Zipkin recaps what how companies can learn from the " big glitch" and protect themselves from system meltdowns.

In other news, CitiGroup is testing its own digital currency. Senior staff writer Kim Lachange Shandrow writes that the banking giant is the first to dip its toe in Bitcoin's pond.

And Elon Musk's goal to protect humanity from the evils of artificial intelligence and a worst-case, Terminator-like scenario is underway. Check out how the tech billionaire's generous donation to AI "safety" research is being put to use.

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