However, there may be a deeper driver, related to how nanotechnology has been represented.
"The mobile business, like services in general, benefits from two deep drivers of change that are especially important in Africa - population growth and urbanisation," says Francois Conradie, an economist at NKC in South Africa.
One type of countermeasure, active safety systems, requires a deep understanding of driver behaviour to be effective without being annoying.
As its downward-facing deep bass driver, or woofer, emits several test tones, an onboard microphone at the bottom of the speaker picks them up.
Mr. Memole, 45, describes AutoVue as "a virtual set of rumble strips," those raised or grooved strips on roadsides that create a deep rumbling sound when drivers veer onto them.
To replace a wave of the hand to let someone pass in front or your car, or a flash of lights on the highway to let others know you are going to pass, Drive.ai has created a deep learning AI for driver-less cars that allows vehicles to signal their intentions to humans through lights, sounds and movement.
But waking a driver from a deep sleep and making him move on immediately creates a risk that he will fall asleep behind the wheel, said the safety board, which recommended that the states add spaces and eliminate the time limits.
Albert Street was shut after a bus driver discovered a deep pothole on 29 September.
Many drivers established a deep emotional attachment to their new, small possession — behavior that took observers by surprise.
The policeman stopped him, put his foot slowly on the running board and fixed the taxi-driver with a deep and piercing gaze.
