Notes from the team

Short reads on learning, built on research.

The ideas we keep returning to, the product decisions they lead to, and the study playbooks we recommend to friends.

Why all-nighters quietly destroy your recall

Working memory has a narrow lane. Here's how to structure a study session so the material actually has a chance to land.

Spaced repetition is one of the most replicated findings in learning science. Here's what it actually is — and what it isn't.

How we use confidence signals and error patterns to rearrange your review queue in real time — with less busywork and more progress.

If your study routine leans on highlighters and passive rereading, swap in these five habits. Same time, much better results.

A practical prep sequence from diagnosis to final review — designed for high retention, low panic, and actual sleep.

A quick update on infrastructure speed, the new progress analytics, and the expanded file types we now handle.