The Kindle Oasis also now features support for audible function, which means you can listen to books.

China — being the world's largest developing country — has seen its voice on the global stage become much more audible.

For example, to help cleaners negotiate the system, the smart cart sends out audible alerts such as: 'We are now in the hematology department'.

Just last week, NHTSA made Tesla recall nearly 579,000 vehicles in the United States because a "Boombox" function can play sounds over an external speaker and obscure audible warnings for pedestrians of an approaching vehicle.

In a response to Reuters on Tuesday, Tesla said drivers have a "responsibility to maintain control of the car" whenever they enable Autopilot and need to be ready to respond to "audible and visual cues".