While demonstratively chewing gum or playing music loudly at the back of the bus are almost universally frowned upon, other areas of our modern lives lack the clear-cut rules of the Downton Abbey era.
Etiquette experts Debrett's have apparently been inundated with anxious requests from members of the public asking them to clear up the Ps and Qs of the smartphone age.

Source : Click Me

It does make me wonder some days if people are forgetting or not using basic good manners.

its a sad reflection of modern life, but good manners seem to be seen as a sign of being 'soft or weak'

i brought my kids up to behave properly and it is very gratifying to see them passing on those same values