Reward-seeking parts of the brain mature earlier, but the frontal cortex - essential for self-control, delay of gratification, and the resistance to temptation - is not up to full capacity until the mid 20s.

1876 - Alexander Graham Bell

1989 - Tim Berners Lee - WWW as a way for scientists to share information
1993 - public domain, web browser Mosaic graphical

Facebook - 2004
Twitter - 2006
the first iPhone - 2007
“like” “retweet”(share button) - 2009
front-facing cameras - 2010
Facebook acquired Instagram - 2012
Snapchat - 2013 - stories
2016-2017 — TikTok (ByteDance)

Play-based childhood -> Phone-based childhood

Free play

Smartphones are Experience blockers

5 important features of human childhood:

  1. Slow-growth childhood
  2. Free play
  3. Attunement (Desire to connect)
  4. Social learning (imitating)
  5. Expectant brains and sensitive periods

We are overprotecting our children in the real world while underprotecting them online

Discover mode vs Defend mode

Kids are antifragile