The body changes faster than the person can manage
Skin, smell, hair, shape — all suddenly ranked by peers.
4 solutions built for it
Acne treatment and teen skincare, Deodorant, razors, and personal care, Orthodontics and Menstrual products.
Twelve to eighteen. The first phase where the person feels most frictions themselves while someone else still pays. Status among peers matters more now than it ever will again, which is why fashion, music, social platforms and subcultures find their most profitable customers here. It is also the phase in which institutions begin sorting people — grades, tests, admissions — and the sorting determines the next thirty years.
11 first-order frictions arise in this phase.
Its neighbourhood
Everything this entry connects to directly. Click any point to follow it.
The body changes
A growing body that eats constantly and buys its own food
The first consumer of fast food, energy drinks, and snacks with their own money.
3 solutions built for it
School meal programmes, Energy drinks and teen snack brands and Fast food and ready meals.
School starts before the adolescent brain wakes up
Chronic sleep deprivation from biology colliding with the bell schedule.
2 solutions built for it
Later school start-time policies and Sleep aids, melatonin, and sleep tracking.
Rank among peers
Rank among peers, visibly, every day
Status among peers matters more now than at any later point.
3 solutions built for it
Fashion and sneaker brands, Social media and Online gaming and communities.
Become someone distinguishable from the parents
Taste is the first thing a teenager owns outright.
3 solutions built for it
Music streaming and fandom, Subculture goods and body modification and Concerts, festivals, and youth venues.
Separation from parents
Attraction arrives before the tools to handle it
First romance, with real reproductive and emotional stakes.
2 solutions built for it
Social media and Sex education and adolescent health services.
Get around without a parent driving
Independence is measured in miles from home.
3 solutions built for it
Driver's licence and teen driving, Ride-hailing and Public transit.
Want money of your own before you can earn much
Purchases are now personal but the income is not.
2 solutions built for it
Part-time and summer jobs and Teen debit cards and allowance apps.
Experimentation with substances, danger, and rules
The brain seeks novelty before it can weigh consequences.
3 solutions built for it
Adolescent mental health services, Age restrictions on alcohol, tobacco, and gambling and School prevention and counselling programmes.
A room of one's own, or no home at all
Privacy inside the family home, and the four million adolescents a year with none.
2 solutions built for it
Teen bedroom and dorm retail and Youth shelters and foster care.
Being sorted for the future
Prove worth to institutions that will decide the next phase
Grades, tests, and activities become a portfolio for admissions and employers.
5 solutions built for it
Music lessons, art classes, and enrichment activities, Secondary school, Standardised tests, Admissions consulting and Vocational and technical schools.