In 1965 screens got 1.2 hours a day. Now they get 7. The interface did that.

In 1965, the average American spent about 1.2 hours a day in front of a screen. Mostly television. Scheduled, linear, with natural stopping points built in. In 2024, US adults average over 7 hours a day. Not because the content got 6x better. Because the interfaces were redesigned to remove stopping points. That is not a coincidence. It is engineering. The television era grew screen time gradually through adoption. The post-2010 acceleration is different in kind. In 2006, Aza Raskin invented inf