Sunday the USA largest air carrier Delta went down.
http://spectrum.ieee.org/tech-talk/computing/it/on-second-thought-the-computer-crash-was-our-fault
Monday the USA largest internet provider Comcast went down.
http://abcnews.go.com/Technology/story?id=4971129
Tuesday the USA largest cell carrier AT&T went down.
Any speculation as to why?
What will crash today?
What have you done to prepare?