Those who advise friends/family of the meal they are about to consume via a photo.
Not so much amuse as concern; Many young people complain of loneliness but when using public transport have their eyes glued to their device. Totally ignoring their fellow travellers!
The number of people that fall for lottery, romance, and work at home scams that source from unsolicited email. I have a position that deals with some of these scams, and the stories are practically unbelievable.<p>The need to proclaim to the world what you are doing today just to get those sweet internet karma points.<p>The complete lack of awareness of the surrounding world when one is waking and reading their mobile device.