In traffic, this number approaches 90%. I see it through every window as I cycle past the queues. The funniest is when the lights go green and a large gap open

In traffic, this number approaches 90%. I see it through every window as I cycle past the queues. The funniest is when the lights go green and a large gap opens up in the traffic because someone has got sucked into their phone and forgot they were driving. Remarkably common.