This British Airways Blanket Measures Your In-Flight Happiness

British Airways has come up with a unique way to judge the satisfaction of its customers — the “happiness blanket.”

It’s not just any blanket, of course, as its designed to determine the “meditative state” of premium cabin flyers, Bloomberg Businessweek reports.

The blanket works by using neuro-sensors to asses levels of relaxation and stress. Sensor data is transmitted to the blanket by Bluetooth and is displayed via fiber-optic LEDs woven into the wool blanket. When a person is stressed or anxious, the LEDs glow red. When the passenger is relaxed and happy, the blanket lights turn blue.

Read more on this Huffington Post article here.