A discussion in that D-I-Y group
On 27/12/2017 19:02, Graham. wrote:
I am in no way qualified to give an answer, but after 30 seconds
thought I have came up with an analogy. Imagine how your concentration
on the road ahead would be affected if your rear-view mirror was
replaced with a screen that flashed helpful text messages about what's
happening behind you...
You'd soon get used to it.