About half of people on long-term medication do not take it as prescribed, mostly from forgetting. A text at the right moment is the simplest fix.

Late fees are a memory tax. Here is a ten-minute setup that turns every due date into a text that arrives two days early, in words you typed once.

A study of 794,525 phone notifications shows messages get opened two thirds of the time and app alerts about one in six. The math on where attention goes.

A 2015 replication of the forgetting curve shows how fast an intention fades in the first hour, and why writing the when, not just the what, is what works.

15.5 million U.S. adults have an ADHD diagnosis. A controlled study found plan recall was normal and planning was the gap. Reminders should fill it.