Two dog owners are walking their dogs on the sidewalk… One a man of perhaps 45, the girl wearing headphones, probably 15. The dogs check each other out completely, the owners ignore each other without even looking.
Very few recognize the body language with which they speak.
And soon the pretty much global hand gesture of writing the bill for a meal, will soon be replaced by a tap gesture for the tap charge cards!
Stephen Lapeyrouse . . . Notes Dropped Along the Way 