From Fangirls to JK Poppers, the US is home to a range of teen subcultures. In the first of a series exploring American Gen Y and Z tribes, Andrea Graham – founder of Youth Tribes – delves into the sun-bleached world of Coasties. How is this group redefining the beach and action sports enthusiast?

Macy's, Kohl's and J.C. Penney have all recorded weak sales in 2015. But while Americans might be spending less on clothes, homeware and televisions, people are still opening their wallets for a different kind of purchase – buying more experiences while cutting back on 'stuff'.

College sport is big business in America, with 2.6 million people regularly watching NCAA college matches on TV. Looking to tap into that market, FanAngel is crowdfunded platform which allows users to incentivise their favourite players and teams.

There is an increasing interest in single person college dorms across Universities in America. This self inflicted ostracisation has the potential to shift the college experience away from the social, and towards a more solitary focus.