“Whatever the cause, the outage revealed how dependent the world’s largest economy is on air travel, and how dependent air travel is on an antiquated computer system called the Notice to Air Missions, or NOTAM.” Air travel across US thrown into chaos after computer outage. But don’t worry, there’s a telephone hotline-based backup system… “According to FAA advisories, the NOTAM system failed at 8:28 p.m. Eastern on Tuesday preventing new or amended notices from being distributed to pilots. The FAA resorted to a telephone hotline to keep departures flying overnight, but as daytime traffic picked up it overwhelmed the telephone backup system.” (We can probably blame this guy…)

+ If your flight got cancelled or delayed, you can always kill some time watching politicians point fingers at each other. Here’s the latest.