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The markup tool in Safari lets you highlight text, add notes, insert your signature, and more. To access it on Mac, take a screenshot of the webpage or convert it into a PDF and use the Markup tool ...

Hypothesis is a free, open access platform that stands out from many other annotation tools with broader functionality. In particular, it offers students the opportunity to work collectively to share ...

Data annotation, or the process of adding labels to images, text, audio and other forms of sample data, is typically a key step in developing AI systems. The vast majority of systems learn to make ...