Annotate This: How a Common Academic Practice Can Boost Learning A new book on annotation offers inspiration for how to better use the technique in teaching.

If you are wondering how to annotate a PDF on Windows, you can use free online tools and software that we have included in this article.

In iOS 17 and MacOS Sonoma, Apple added the ability to open and annotate PDFs right in the Notes app. Keep reading to learn how it's done. In ...

Better data annotation—more accurate, detailed or contextually rich—can drastically improve an AI system’s performance, adaptability and fairness.