Nurse going through health records
A row of registers at a Target store in Brooklyn
An employee walks past servers in the Facebook data center in Forest City, North Carolina.
A server tray in Facebook's Forest City, North Carolina, data center, 2010
People queue to speak to British Airways representatives at Heathrow Airport Terminal 5 on May 28, 2017 in London, England. Thousands of passengers had their travel disrupted after a BA IT failure caused the airline to cancel most of its services.