Posted: Aug 07, 2017 8:51 am
There's no such thing. It's an arbitrary age group used primarily in the ad buisness and by older generations to complain about young people, which happens every generation.
Lifeboat for the rational mind :D
http://www.rationalskepticism.org/
http://www.rationalskepticism.org/viewtopic.php?p=2574619#p2574619